Let x denote the time taken to run a road race. Suppose x is approximately normally distributed

Question:

Let x denote the time taken to run a road race. Suppose x is approximately normally distributed with a mean of 190 minutes and a standard deviation of 21 minutes. If one runner is selected at random, what is the probability that this runner will complete this road race
a. In less than 160 minutes?
b. In 215 to 245 minutes?
Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Introductory Statistics

ISBN: 9780470904107

8th Edition

Authors: Prem S. Mann

Question Posted: