Question

The amount of rainfall in January in a certain city is normally distributed with a mean...

The amount of rainfall in January in a certain city is normally distributed with a mean of

3.9

inches and a standard deviation of

0.4

inches. Find the value of the quartile

Q1

Round to the nearest tenth.

A.1.0

B.4.2

C.3.6

D.3.7

Math   Statistics-And-Probability   
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Homework Answers

Answer #1

Given that, mean = 3.9 inches

standard deviation = 0.4 inches

We want to find, the value of the quartile Q1. That is to find, the value of x such that, P(X < x)= 0.25

Answer: C) 3.6

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