Question

Probability & Statistics question. Will be attached below. Will fan and medal.

Answer 1

the point proportion of the defective units equals 1/20.

Answer 2

and you'll need to use a formula to calculate the mean.

Answer 3

where n is the number of the data given in the table.

Answer 4

hope it helps.

Answer 5

as @knov said, you have to compute the sum: (39 + 31 + 38 + 40 + 29 + 32 + ...) / 40.
(n = 40) that is the mean of the sample..

Answer 6

unfortunately that means you must type the 40 numbers on your calculator

Answer 7

Annoying but feasible. Thank you both.