1. Question 1
2. Question 2
3. Question 3
4. Question 4
5. Question 5
6. Question 6
7. Question 7
8. Question 8
9. Question 9
10. Question 10

Women have pulse rates that are normally distributed with = 77.5 beats per minutes and = 11.6 beats per minutes.

What is the probability that 10 randomly selected women will have a mean pulse rate greater than 75 beats per minute?

0.2478

0.8594

0.1406

0.7522

An author collected sample data by randomly selecting 30 pages from a dictionary and then counted the number of defined words on each of the 30 pages. Which type of sampling method did the author use?

Systematic

Cluster

Random

Stratified

The scores for two basketball teams are listed below:

Jets6787549978

Cats8590448046

Assume you are the head coach of the Cats basketball team and you are being interviewed by the local newspaper. Which measure of center would you report?

Mean

Median

Mode

Midrange

Women have pulse rates that are normally distributed with = 77.5 beats per minutes and = 11.6 beats per minutes.

What is the probability that a randomly selected woman will have a mean pulse rate below 90 beats per minute?

0.9332

0.7673

0.1406

0.8594

The scores for two basketball teams are listed below:

Jets6787549978

Cats8590448046

What is the mean score for the Jets?

A)78

B)76

C)77

D)99

The scores for two basketball teams are listed below:

Jets6787549978

Cats8590448046

What is the median score for the Cats?

A)85

B)44

C)69

D)80

A multiple-choice question on a statistics quiz has possible correct answers of A, B, C, D and E. What is the probability that the correct answer is C?

A)0.25

B)0.40

C)0.50

D)0.20

An advertiser for a local newspaper made the comment: "The median price for homes in Mokena is the price that falls in the middle of all home prices in the area". Is this statement correct? Choose the best answer.

A)Yes, because the median represents the middle number in a data set.

B)No, because the median is the average of two prices in the middle of the data set.

C)No, because the prices of the homes must be sorted and then the price in the middle represents the median price.

D)Yes, because the prices of homes are best measured using the median home price.

The probability that an online student owns a laptop is 0.82 and the probability that a student owns a desktop is 0.65. If the probability that a student owns both is 0.55, find the probability that a student owns a laptop or a desktop.

A)0.82

B)0.92

C)0.38

D)0.72