subject
Mathematics, 05.05.2020 21:45 omar5457

When Adam runs the 400 meter dash, his finishing times are normally distributed
with a mean of 77 seconds and a standard deviation of 3 seconds. If Adam were to run
49 practice trials of the 400 meter dash, how many of those trials would be between
81 and 83 seconds, to the nearest whole number?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 16:10
The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.
Answers: 2
question
Mathematics, 21.06.2019 18:20
Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.
Answers: 1
question
Mathematics, 22.06.2019 00:00
What multiplys to be 1 but adds up to be 4
Answers: 1
question
Mathematics, 22.06.2019 01:10
|z| > (1/2) {-1/2, 1/2} {z|(-1/2) < z < (1/2)} {z|z < (-1/2) ∪ z > (1/2)}
Answers: 3
You know the right answer?
When Adam runs the 400 meter dash, his finishing times are normally distributed
with a mean of...
Questions
question
Social Studies, 18.01.2021 19:00
question
Social Studies, 18.01.2021 19:00
Questions on the website: 13722361