Question 16(1 point)

A given distribution has a population mean, , of 127 and a population standard deviation, , of 10.What z-score would be associated with the value x = 162?

Round to two decimal places, as needed.

Your Answer:

Question 16 options:

Answer

Question 17(1 point)

A given distribution has a population mean, , of 112 and a population standard deviation, , of 13.Compute the raw, x-value associated with a Z-score of -1.29.

Round to two decimal places, as needed.

Your Answer:

Question 17 options:

Answer

Question 18(1 point)

A given distribution has a population mean, , of 146 and a population standard deviation, , of 11.What z-score would be associated with the value x = 171?

Round to two decimal places, as needed.

Your Answer:

Question 18 options:

Answer

Question 19(1 point)

A given distribution has a population mean, , of 144 and a population standard deviation, , of 12.Compute the raw, x-value associated with a Z-score of 0.23.

Round to two decimal places, as needed.

Your Answer:

Question 19 options:

Answer

Question 20(1 point)

Suppose a population is known to be normally distributed with a mean, , equal to 144 and a standard deviation, , equal to 27. Approximately what percent of the population would be between 117 and 198?

Question 20 options:

68%

13.5%

95%

34%

47.5%

81.5%

Question 21(1 point)

Suppose a population is known to be normally distributed with a mean, , equal to 144 and a standard deviation, , equal to 27. Approximately what percent of the population would be between 117 and 144?

Question 21 options:

68%

34%

13.5%

95%

47.5%

81.5%

Question 22(1 point)

Suppose a population is known to be normally distributed with a mean, , equal to 144 and a standard deviation, , equal to 27. Approximately what percent of the population would be between 90 and 144?

Question 22 options:

95%

81.5%

47.5%

13.5%

68%

34%