subject
Mathematics, 26.06.2019 23:00 anthonymcnulty6471

When serenity runs the 400 meter dash, her finishing times are normally distributed with a mean of 90 seconds and a standard deviation of 2.5 seconds. using the empirical rule, determine the interval of times that represents the middle 95% of her finishing times in the 400 meter race.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 12:30
Note: remember to show all of the steps that you use to solve the problem. be sure to use the text box where the question mark first appears to show your mathematical work. you can use the comments field to explain your work. your teacher will review each step of your response to ensure you receive proper credit for your answer. ! i will pay you to do this for me! will mark brainliest. i am not lying solve the following problem. jana buys a dress for $25.98 and a for $14.99. the total sales tax is $2.46. a. what is the total cost of her purchase? b. if jana pays with a $50 bill, how much change should she receive?
Answers: 1
question
Mathematics, 21.06.2019 13:30
Which expression is factored form? x^2+14x+48 a) (x-8)(x-6) b) (x+6)(x-8) c) (x+8)(x-6) d) (x+6)(x+8)
Answers: 1
question
Mathematics, 21.06.2019 14:00
6people equally share 56 gummy worms. how many gummy worms does each person get? nine and one sixth gummy worms nine and two sixths gummy worms ten and one sixth gummy worms ten and two eighths gummy worms
Answers: 1
question
Mathematics, 21.06.2019 19:10
If you answer 2+2 you will get over 80 points
Answers: 2
You know the right answer?
When serenity runs the 400 meter dash, her finishing times are normally distributed with a mean of 9...
Questions
question
Mathematics, 21.02.2021 03:10
question
Spanish, 21.02.2021 03:10