A particular brand of dishwasher soap is sold in three sizes: 25 oz, 40 oz, and 60 oz. Twenty percent of all purchasers select a
35-oz box, 50% select a 40-oz box, and the remaining 30% choose a 60-oz box. Let X1 and X2 denote the package sizes selected by two independently selected purchasers.
a. Determine the sampling distribution of X.
b. Determine the sampling distribution of the sample variance S^2.
a. Determine the sampling distribution of X.
b. Determine the sampling distribution of the sample variance S^2.
1 answer:
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Answer:
x =
Step-by-step explanation:
5(x-2)^2= 15 ←add 29 on both sides
(x-2)^2= 3 ← divide by 5 on both sides
x-2= ← find the sq root of both sides
x= ← add 2 on both sides