subject
Mathematics, 18.05.2021 18:40 tommyewall34

A survey among freshman at a certain university revealed that the time spent studying the week before final exams was normally distributed with a mean of 25 hours and a standard deviation of 7 hours. What proportion of freshman students study less than 30 hours the week before final exams?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 18:20
What is the solution set of the quadratic inequality x^2-5< or equal to 0
Answers: 1
question
Mathematics, 21.06.2019 18:30
Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.
Answers: 1
question
Mathematics, 21.06.2019 20:10
Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12
Answers: 1
question
Mathematics, 21.06.2019 23:00
Which equation shows y= 3 4 xβˆ’ 5 2 in standard form? a 4xβˆ’3y=10 b 3xβˆ’4y=10 c 3xβˆ’4y=βˆ’10 d 4xβˆ’3y=βˆ’10
Answers: 1
You know the right answer?
A survey among freshman at a certain university revealed that the time spent studying the week befor...
Questions
question
Mathematics, 07.05.2021 06:20
question
Mathematics, 07.05.2021 06:20
question
Biology, 07.05.2021 06:20
question
World Languages, 07.05.2021 06:20
Questions on the website: 13722360