Math 302 Final Exam

MATH 302 FINAL EXAM

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MATH 302 FINAL EXAM,

Question 1 of 25

A scatterplot allows one to see:

B.what type of relationship there is between two variables

D.Neither (a) nor (b) is correct Reset Selection

Part 2 of 9 –

Question 2 of 25

In a recent study, the following data were obtained in response to the question, “Do you favor recycling in your neighborhood?”

No

Males

15

Females

10

A.3/5

C.4/5

1.0 Points

A.0.50

C.1.00

1.0 Points

x

1

3

5

0.20

0.20

0.10

A.3.65

C.1.20

1.0 Points

1 0.30

3 0.05

5 0.25

B.1.61

D.1.27 Reset Selection

Question 6 of 25

A drug is reported to benefit 40% of the patients who take it. If 6 patients take the drug, what is the probability that 4 or more patients will benefit?

B.0.862

D.0.179 Reset Selection

Part 4 of 9 –

Question 7 of 25

The standard deviation of a probability distribution is a:

B.measure of central location

D.measure of variability of the distribution Reset Selection

Question 8 of 25

If the value of the standard normal random variable Z is positive, then the original score is where in relationship to the mean?

B.equal to the mean

D.to the left of the mean Reset Selection

Question 9 of 25

The average height of flowering cherry trees in a nursery is 11 feet. If the heights are normally distributed with a standard deviation of 1.6, find the probability that a randomly selected cherry tree in this nursery is less than 13 feet tall.

B.0.89

D.0.11 Reset Selection

Question 10 of 25

If Z is a standard normal random variable, then the value z for which P(-z < Z < z) equals 0.8764 is B.1.54 D.0.3764 Reset Selection Question 11 of 25 The theorem that states that the sampling distribution of the sample mean is approximately normal when the sample size n is reasonably large is known as the: B.central limit theorem D.central...