Introduction to Normal Distributions

Question 1

Using the graph as a reference, select all statements that are true about a normal distribution of data.

Revolt · Accepted Answer

Normal distributions are symmetrical about the mean, m.; The probability that an event is within 1 standard deviation above the mean is 34%.

Question 2

P(x ≤ 65 pounds) = %

Revolt · Accepted Answer

16

Question 3

.

Revolt · Accepted Answer

at least 80 pounds

Question 4

P(x ≤ 78 pounds) =

Revolt · Accepted Answer

cannot be determined from graph

Introduction to Normal Distributions Answers