Mathematics, 22.07.2019 17:40 peno211

Ateacher gives a test to a large group of students. the results are closely approximated by a normal curve. the mean is 74, with a standard deviation of 8. the teacher wishes to give a's to the top 8% of the students and f's to the bottom 8%. a grade of b is given to the next 16%, with d's given similarly. all other students get c's. find the bottom cutoff for a grade of c.

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:30, kev71

The amount of money, in dollars, in an account after t years is given by a = 1000(1.03)^t. the initial deposit into the account was $_^a0 and the interest rate was _a1% per year. only enter numbers in the boxes. do not include any commas or decimal points^t. the initial deposit into the account was $__^a0 and the interest rate is % per year.

Answers: 1

continue

Mathematics, 21.06.2019 17:00, JvGaming2001

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

Answers: 2

continue

Mathematics, 21.06.2019 20:00, Chen5968

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Answers: 2

continue

Mathematics, 21.06.2019 21:00, ally7366

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

Answers: 1

continue

You know the right answer?

Ateacher gives a test to a large group of students. the results are closely approximated by a normal...