subject
Mathematics, 08.05.2021 03:20 vrw28

When John runs the 400 meter dash, his finishing times are normally distributed with a mean of 71 seconds and a standard deviation of 2.5 seconds. If John were to run 33 practice trials of the 400 meter dash, how many of those trials would be slower than 67 seconds, to the nearest whole number?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.
Answers: 1
question
Mathematics, 21.06.2019 19:50
Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be
Answers: 1
question
Mathematics, 21.06.2019 20:30
If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.
Answers: 1
question
Mathematics, 21.06.2019 20:30
Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2
Answers: 2
You know the right answer?
When John runs the 400 meter dash, his finishing times are normally distributed with a mean of 71 se...
Questions
question
Mathematics, 11.05.2021 04:50
question
Mathematics, 11.05.2021 04:50
Questions on the website: 13722362