subject
Mathematics, 24.02.2021 14:50 itsdeevv

The anount of time decoted to studying statistics each week by students who achieve a grade of A in the course is a normally distributed random variable with a mean of 7.5 hours and a standard deviation of 2.1 hours. What is the probability that A students study more than 10 hours per week?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.
Answers: 2
question
Mathematics, 21.06.2019 17:00
One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?
Answers: 3
question
Mathematics, 21.06.2019 22:00
You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?
Answers: 3
question
Mathematics, 22.06.2019 00:40
Calculate the effective quarterly compound interest rate equivalent to a 1% of monthly compound interest rate.
Answers: 3
You know the right answer?
The anount of time decoted to studying statistics each week by students who achieve a grade of A in...
Questions
question
Mathematics, 28.10.2019 22:31
Questions on the website: 13722360