Please help me answer this question
Find the minimum and maximum values of the objective function z=3x+5y
The answer to the question is
3.15
Suppose a binomial trial has a probability of success of 0.4, and 75 trials are
performed. What is the standard deviation of the possible outcomes? Round
your answer to two decimal places.
Answer:
4.24
Step-by-step explanation:
Just took the quiz
Ekene was curious if sample range was an unbiased estimator of population range. She placed ping pong balls
numbered from 0 to 32 in a drum and mixed them well. Note that the range of the population is 32.
She then took a random sample of 5 balls and calculated the range of the sample. She replaced the balls and
repeated this process for a total of 50 trials. Her results are summarized in the dotplot below, where each dot
represents the sample range from a sample of 5 balls.
.
ea
8
12
16
20
24
28
32
Sample range
Based on these results, does sample range appear to be a biased or unbiased estimator of population range?
Hint: The population range is 32.
Choose 1 answer:
Sample range appears to be a biased estimator since it consistently underestimated the population
Answer:
(a) Sample range appears to be a biased estimator since it consistently underestimated the population range.
Step-by-step explanation:
The sample ranges appear to be centered below 32
I got this right on Khan
In this exercise we have to use, in addition to the knowledge of statistics, the graph informed in the exercise in this way, we can say that:
Letter A
When we look at the graph, the maximum points are at 21 and 31, while the samples ranges appear to be centered below 32, that is we can say that the letter A is more appropietate.
See more about statistics at brainly.com/question/10951564
Need help written responses???
Answer:
47.5% of students fall within heights of 100 cm to 120 cm
Step-by-step explanation:
We are given that heights of Grade 1 students are normally distributed
Mean = [tex]\mu = 100 cm[/tex]
Standard deviation = [tex]\sigma = 10 cm[/tex]
a)
Empirical rule
68% of data lies within the first standard deviation from the mean i.e[tex].(\mu-\sigma , \mu+\sigma)=(100-10,100+10)=(90,110)[/tex]
95% of all the data will fall within two standard deviations i.e.[tex](\mu-2\sigma , \mu+2\sigma)=(100-2(10),100+2(10))=(80,120)[/tex]
99.7% of data lies within the three standard deviations i.e.[tex]( \mu - 3 \sigma , \mu +3 \sigma)=(100-3(10),100+3(10))=(70,130)[/tex]
b)Percentage of students fall within heights of 100 cm to 120 cm
Using the normal distribution curve
Percentage of students fall within heights of 100 cm to 120 cm = [tex]\frac{1}{2} \times 95\% = 47.5\%[/tex]
Hence 47.5% of students fall within heights of 100 cm to 120 cm
Skylar Sutherland earns a salary of $80,000 per year. How much is Skylar paid per month? *
Answer:
6,666$
Step-by-step explanation:
Because there are 12 months in a year u just have to divide 80,000 by 12.
Got chu :)
What is the area of this figure?
Answer:
11610
Step-by-step explanation:
First you do the top rectangle which the area for that is 144 which is 4 times 4 times 3 times 3.
Then you do the middle rectangle which the area is 441 which is 7 times 7 times 3 times 3.
Then you do the last rectangle which the area is 11025 which is 15 times 15 times 7 times 7.
Then lastly you add all three areas which is 144+441+11025=11610. So therefore, the answer is 11610.
cos(3x) = 1
1. Using an appropriate inverse trigonometric expression, write an equation that defines the value of 3x
2. Solve this equation to find all possible values of the angle 3x
3. Use algebra to find all values of x between 0 and 2pi that satisfy this equation
Step-by-step explanation:
cos(3x) = 1
3x = 0 + 2kπ
x = 0 + 2kπ/3
x = 0, 2π/3, 4π/3, 2π
What is the value of s? I'll mark first correct answer brainliest.
Answer:
s = 11.
Step-by-step explanation:
To find the value of 's', we can first use the Supplementary Angles theorem. If '12s' is the measure of the angle outside of the triangle, the angle inside the triangle must be equivalent to '180-12s'.
Since the sum of all of the angles of the triangle must be 180°, we can set up an equation to solve for 's':
180 = 45 + 10s - 23 + 180 - 12s (Subtract both sides by 180)
Simplify:
0= 45 + 10s - 23 - 12s (Subtract both sides by 45, and add 23 to both)
-22 = 10s - 12s
-22 = -2s (Divide both sides by -2)
s = 11.
distance from zero on a number line represents the of the number
A: slope
B: opposite
C: reciprocal
D: absolute value
Answer:
D
Step-by-step explanation:
Answer:
the absolute value of the number
Step-by-step explanation:
for example if the absolute value of 3 is 3 because the distance of 3 from zero on the number line is 3 places to the right.
What MUST be true when adding and subtracting numbers in scientific notation?
This might help you with your question 2 numbers inside of scientific notation have to be manipulated in order for their own foundations to have the same exact exponent
To be added or subtracted, two numbers in scientific notation must be manipulated so that their bases have the same exponent--this will ensure that corresponding digits in their coefficients have the same place value.
Find the first six terms of the sequence. a1 = 7, an = an-1 + 6
Answer:
7, 12, 17, 21, 26, 31
Step-by-step explanation:
The first term in the sequence is 7 we know this cause the first equation (a1 = 7) is telling us what the first term is. To find the next term we use the second equation (an = an - 1 + 6) we us the first term subtract 1 and then add 6 ( 7 - 1 = 6, 6 + 6 = 12) the second terms is 12. To find the rest of the terms we continue using the second equation but instead of with 7 this time we use 12 then the next time 17 then 21 then 26 so on and so forth.
Answer:
It's 7,13,19,25,31,37
Step-by-step explanation:
Trust me
PLEASE HELP WILL GIVE BRAINLIEST AND 20 POINTS
add these fractions and select the simplified answer
m+n/6mn + m-n/2mn
or
[tex]\frac{m+n}{6mn} + \frac{m-n}{2mn}[/tex]
Answer:
2m-n / 3mn
Step-by-step explanation:
combine the fractions by finding a common denominatorWhich of these values would you most likely see on a U.S. speed limit sign?
O A. 200 miles / day
O B. 3,500 miles / second
C. 18 feet/ second
O D. 55 miles/hour
D would be your answer
Two students are asked to go to the board to work
Answer:
Give us a actual equation mate
Step-by-step explanation:
The sum of mZAOB and mZBOC is 218º. Find the measure of ZBOC.
Answer: 131
Step-by-step explanation:
218 - 87 = 131
Answer:
C. 131°
Step-by-step explanation:
mZBOC - mZAOB = ZBOC
218 - 87 = 131
Based on the sample of 8th graders in the table, how many of the 350 students in 8th grade will like Pop/Rock as their favorite type of music?
Answer:
168
Step-by-step explanation:
Out of the 12 + 7 + 6 = 25 students sampled, 12/25 = 48% students liked Pop/Rock so 48% of 350 = 168 students is the answer.
Answer: 168 students
Step-by-step explanation:
12 + 7 + 6 = 25 so if we add all the numbers we get 25 then
we put it as 12/25 which is
48% students liked Pop/Rock
so then we do 48% of 350 or divide and get
168 students
Hope this helps :)
Which decimal number is larger?
0.0033 or 0.03
Answer:
0.03
Step-by-step explanation:
0.03>0.0033 (There are more zeroes in 0.0033)
Step-by-step explanation:
0.03 is larger
0.0033
0.03
the 0.03 one is the answer becuase 0.03 is larger than 0.003 since there is one less zero...
The coordinates of which point are (–3, –6)? On a coordinate plane, point A is (negative 3, 6), point B is (negative 6, negative 3), point C is (negative 3, negative 6), and point D is (3, negative 6). point A point B point C point D
Answer:
Point c
Step-by-step explanation:
Answer:
The answer is Point C
Step-by-step explanation:
Select true or false for each statement
TRUE
FALSE
FALSE
FALSE
FALSE
C)
What is the surface area of this design?
6 in.
76 in2
280 in2
4 in.
392 in2
10 in.
4 in.
360 in2
6 in.
Answer:=783
Step-by-step explanation:
Quadrilateral ABCD is translated up and to the right and then rotated about point Q. Which congruency statement is correct?
Answer: B
Step-by-step explanation:
The congruency statement would be correct as ABCD ≅ ZYXW because the new triangle will be congruent to the original triangle when a triangle is translated.
What are congruent triangles?Two triangles are said to be congruent if their corresponding sides and angles are equal.
Given that Quadrilateral, ABCD is translated up and to the right and then rotated about point Q.
The following are the related points from the entire question:
Point A and point Z
Point B and point Y
Point C and point X
Point D and point W
This represents that:
Points A and Z are corresponding
Points B and Y are corresponding
Points C and X are corresponding
Points D and W are corresponding
Hence, the congruency statement would be correct as ABCD ≅ ZYXW because the new triangle will be congruent to the original triangle when a triangle is translated.
Learn more about the congruent triangles here:
brainly.com/question/4364353
#SPJ6
The question seems to be incomplete the correct question would be
Quadrilateral ABCD is translated up and to the right, and then
rotated about point Q. Which congruency statement is
correct?
ABCD = WXYZ
ABCD = ZYXW
ABCD WZYX
ABCD = ZWXY
Find the value of each variable. Be sure to explain your answers.
a ⋅ 3 = - 30
-9 ⋅ b = 45
-84 ⋅ 12 = c
d ⋅ 88 = -88,000
a =
b =
c =
d =
Answer:
a = -10
b = -5
c = -1008
d =-1000
Step-by-step explanation:
a = -30/3
b = 45/-9
c = -84x12
d = -88000/88
Answer: A = -10. B = 54. C = -1008. D = -1000
Step-by-step explanation:
a * 3= - 30 You must divide 3 on both sides in order to get the a alone.
a * 3/3= - 30/3 And once you divide 3 from both sides you end up with
a= -10 And a equals negative 10
-9 * b = 45 You have to add 9 to both sides to get b alone.
-9 +9 *b= 45 +9 And you end up with with
b= 54 b equals 54
-84 * 12= c Since the c is already alone all you have to do is solve the problem
-84 time 12 eqauls -1008, its a negative because it has a negative in the equation
-1008= c
d *88 = -88,000 You have to divide 88 from both sides to get the d alone.
d * 88/88 = -88,000/88. And you end up with
D = -1000 d equals negative 1000
In training for the zombie race, Harris runs 4 times back and forth across the pasture, then runs through the woods 3.75 miles. In all, Harris runs 15.7 miles. What is the distance from one side of the pasture to the other?
Answer:
2.9875 miles
Step-by-step explanation:
15.7 - 3.75 = 11.95. 11.95 / 4 = 2.9875 miles.
what is the answer to (2×+9)
So the right answer is 18
Please see the attached picture for full solution
Hope it helps
Good luck on your assignment
Answer:
11x
Step-by-step explanation:
1). Rewrite the problem:
2x (+9)
2. Multiply
9 x 2 = 18
3). answer: 18
hope this helped!
which of the following is the front view for the model (picture shown below)
Answer:
The second one.
Answer:
B
Step-by-step explanation:
B is the correct answer as the blocks are arranged in the same manner as B
i need help matching the vocab to the solutions
a-5
b-1
c-4
d-6
e-2
f-3
g-7
please help! ill mark you as brainleist if you get it correct!
Answer:
7
Step-by-step explanation:
every o e move you make on x you make 7 on y. (made 2 moves in x and moved 14 on y) so if you moved 21 on y.... 21/7=3 so you move 3 on x so 4+3=7
The cereal box shown below is a rectangular prism. Find the surface area of the cereal box.
Answer:
Surface area is found:
Surface Area = 1700 cm²
Step-by-step explanation:
(The cereal box is shown in the ATTACHMENT)
The surface area of a rectangular prism can be found by added the areas of all 6 sides of the rectangular prism.
L = length = 20 cm
H = height = 30 cm
W = Width = 5 cm
Side 1:A(1) = L×H
A(1) = 20×30
A(1) = 600 cm²
Side 2:As the measurements of the side at the back of side 1 has the same measurement of side 1. then:
A(2) = 600 cm²
Side 3:A(3) = L×W
A(3) = 20×5
A(3) = 100 cm²
Side 4:As the measurements of the side at the back of side 4 has the same measurement of side 4. then:
A(4) = 100 cm²
Side 5:A(5) = H×W
A(5) = 30×5
A(5) = 150 cm²
Side 6:As the measurements of the side at the back of side 5 has the same measurement of side 5. then:
A(6) = 150 cm²
Surface Area:Adding areas of all the sides
A(1) + A(2) + A(3) +A(4) + A(5) + A(6) = 600 + 600 + 100 +100 + 150 +150
Surface Area = 1700 cm²
Answer:
580
Step-by-step explanation:
Area of a rectangle = length x width
3x20=60
2x60=120
The bottom and the top are both 3 by 10 rectangles
120+60+400=580
580
\frac{h^{2}-1 }{h+3} when h=5
Answer:
The answer is 3.
Step-by-step explanation:
You have to substitute h = 5 into the fraction :
[tex] \frac{ {h}^{2} - 1}{h + 3} [/tex]
Let h = 5,
[tex] = \frac{ {5}^{2} - 1}{5 + 3} [/tex]
[tex] = \frac{25 - 1}{8} [/tex]
[tex] = \frac{24}{8} [/tex]
[tex] = 3[/tex]
Answer:
Step-by-step explanation:
[tex]\frac{h^2-1}{h+3 } \\when~h=5\\\frac{5^2-1}{5-1} =\frac{24}{4} =6[/tex]