subject
Mathematics, 03.02.2021 18:20 vanleervanleer

When Sarah runs the 400 meter dash, her finishing times are normally distributed with a mean of 63 seconds and a standard deviation of 1.5 seconds. Using the empirical rule, what percentage of races will her finishing time be between 61.5 and 64.5 seconds?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 15:30
Which of the following expressions are equivalent ?
Answers: 1
question
Mathematics, 21.06.2019 16:30
When only separate discreet points are graphed it is called?
Answers: 3
question
Mathematics, 21.06.2019 19:30
What is the lcm of 16 and 40 ? 24 and 40 ?
Answers: 2
question
Mathematics, 22.06.2019 00:00
The amount cami raised during last year’s charity walk, $45.50, is 7/10 of the amount she raised this year. which equation represents n, the number of dollars she raised this year?
Answers: 2
You know the right answer?
When Sarah runs the 400 meter dash, her finishing times are normally distributed with a mean of 63 s...
Questions
question
Mathematics, 04.12.2021 05:30
question
Social Studies, 04.12.2021 05:30
question
Mathematics, 04.12.2021 05:30
question
Mathematics, 04.12.2021 05:40
question
Physics, 04.12.2021 05:40