Register

When Abdoulaye runs the 400 meter dash, his finishing times are normally distributed with a mean of 82 seconds and a standard deviation of 1 second. What percentage of races wil…

When Abdoulaye runs the 400 meter dash, his finishing times are normally distributed with a mean of 82 seconds and a standard deviation of 1 second. What percentage of races wil…
asked 129k views
2 votes
When Abdoulaye runs the 400 meter dash, his finishing times are normally distributed with a mean of 82 seconds and a standard deviation of 1 second. What percentage of races will his finishing time be between 81 and 82 seconds, to the nearest tenth?

asked
User Traskjd
by
8.3k points

2 Answers

1 vote

Answer: 34.1%

Explanation:

answered
User Daniil Loban
by
8.5k points
3 votes

Answer:

34.13 %

z(lower) = -1 (.15866)

z(upper) = 0 (.5)

Explanation:

answered
User Nijraj Gelani
by
8.5k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Link Copied!