Finding Values from Probabilities

Question 1

What wait time is the 12th percentile of the wait times?

Revolt · Accepted Answer

3.24 minutes

Question 2

Complete the sentences.

Revolt · Accepted Answer

To find the z-score for the 56th percentile means that the area above the z-score will be and the area below the z-score will be .: 0.44; To find the z-score for the 56th percentile means that the area above the z-score will be and the area below the z-score will be .: 0.56; The z-score for the 56th percentile is .: 0.15

Question 3

0.060.44✔ 0.56

Revolt · Accepted Answer

✔ 0.56

Question 4

✔ 0.150.2550.561.15

Revolt · Accepted Answer

✔ 0.15

Question 5

3.433.62✔ 4.784.97

Revolt · Accepted Answer

✔ 4.78

Question 6

Complete the sentences.

Revolt · Accepted Answer

✔ left; The 12th percentile is found on the side of the Normal distribution, so the z-score at the 12th percentile will be .: left; The 12th percentile is found on the side of the Normal distribution, so the z-score at the 12th percentile will be .: negative; The z-score is .: −1.175

Question 7

✔ negativepositive

Revolt · Accepted Answer

✔ negative

Question 8

−1.200✔ −1.175−0.120

Revolt · Accepted Answer

✔ −1.175

Question 9

What z-score would identify the bottom 92% of the packages, according to mass?

Revolt · Accepted Answer

1.41

Question 10

What mass would be lower than the mass of 92% of the packages?

Revolt · Accepted Answer

525 grams

Finding Values from Probabilities Answers

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