Mathematics
Mathematics, 24.04.2020 20:31, misscheoneyo

A company sells sunscreen in 450 milliliter (ml) tubes. In fact, the amount of lotion in a tube varies according to a normal distribution with mean μ=447 ml and standard deviation σ=5 ml. Suppose a store which sells this sunscreen advertises a sale for 4 tubes for the price of 3.

Consider the average amount of lotion from a SRS of 4 tubes of sunscreen and find:

(a) The standard deviation of the average, x¯ :

(b) The probability that the average amount of sunscreen from 4 tubes will be less than 441 ml.

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 12:30, LunaGear
What is the solution to the system of the equations? x = y - 3 x + 3y = 13
Answers: 2
image
Mathematics, 21.06.2019 19:00, megkate
1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)
Answers: 1
image
Mathematics, 21.06.2019 19:40, josecano2
Which of the following could be the ratio of the length of the longer leg 30-60-90 triangle to the length of its hypotenuse? check all that apply. a. 313 6 b. 3: 215 c. 18: 13 d. 1: 13 e. 13: 2 of. 3: 15
Answers: 3
image
Mathematics, 22.06.2019 01:30, warnene17
Meee i honestly dont know what this question talking about
Answers: 3
Do you know the correct answer?
A company sells sunscreen in 450 milliliter (ml) tubes. In fact, the amount of lotion in a tube vari...

Questions in other subjects:

Konu
Business, 03.02.2021 17:20
Konu
Mathematics, 03.02.2021 17:20
Konu
Mathematics, 03.02.2021 17:20
Konu
History, 03.02.2021 17:20