Introduction to Normal Distributions

Question 1

Use the information on the right to determine which students will have positive z-scores.

Revolt · Accepted Answer

Benjamin, who completed the exam in 86 minutes; Cynthia, who completed the exam in 72 minutes

Question 2

Cynthia’s z-score is .

Revolt · Accepted Answer

0.2

Question 3

⇒ 3125 grams

Question 4

4000 g✔ 4500 g5000 g5500 g6000 g

Revolt · Accepted Answer

4500 g

Question 5

99.7% of all newborn babies in the United States weigh between and .

Revolt · Accepted Answer

2000 g; Selection 1: 2000 g; Selection 2: 5000 g

Question 6

4000 g4500 g✔ 5000 g5500 g6000 g

Revolt · Accepted Answer

5000 g

Introduction to Normal Distributions Answers