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Karolina [17]
3 years ago
8

What is a voluntary response​ sample?Choose the correct answer below.A.A sample in which the sample size is very large.B.A sampl

e in which the subjects themselves decide whether to be included in the study.C.A sample in which the researchers decide which subjects to include in the study.D.A sample in which the response​ "No Opinion" or​ "Not Applicable" are choices.
Mathematics
1 answer:
Svet_ta [14]3 years ago
5 0

Answer:

B. A sample in which the subjects themselves decide whether to be included in the study.

Step-by-step explanation:

In other words a voluntary response sample is a sample made up of volunteers o people who choose to be inlcuded.

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QUESTION 1 The driving distance for the top 100 golfers on the PGA tour is between 284.7 and 310.6 yards.Assume that the driving
GarryVolchara [31]

Answer:

P(X>300)

And we can find this probability with the complement rule:

P(X>300)= 1-P(X

Step-by-step explanation:

For this case we define the random variable X ="driving distance for the top 100 golfers on the PGA tour" and we know that:

X \sim Unif (a=284.7, b=310.6)

And for this case the probability density function is given by:

f(x) =\frac{1}{310.6 -284.7} =0.0386 , 284.7 \leq X \leq 310.6

And the cumulative distribution function is given by:

F(x) =\frac{x-284.7}{310.6-284.7} , 284.7 \leq X \leq 310.6

And we want to find this probability:

P(X>300)

And we can find this probability with the complement rule:

P(X>300)= 1-P(X

6 0
3 years ago
I’LL GIVE YA BRAINLESS!! I need the answer ASAP
navik [9.2K]

Answer:

55% because 1815 divided by 3300 is .55, and .55 is 55%

8 0
3 years ago
4+4x+x^2 = y Given x = 3
stira [4]

Answer:

y=25

Step-by-step explanation:

y=4+4x+x^2

x=3

y=4+4(3)+(3)^2

y=4+12+(3)^2

y=4+12+(3x3)

y=4+12+(9)

y=16+9

y=25

If this helps please mark as brainliest

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The sales tax in one state is 5%. Write a function rule for finding the total cost of an item with selling price x. Then find th
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Answer:

f(x) = .05x; $5.50

Step-by-step explanation:

f(x) = .05x

f(110) = .05(110) = $5.50

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Solve the inequality below for x, where r > 0
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Please include the inequality
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