A four-year study of various brands of bottled water found that 25% of bottled water is just tap water packaged in a bottle. C

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3 years ago

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A four-year study of various brands of bottled water found that 25% of bottled water is just tap water packaged in a bottle. C

onsider a sample of sevenseven bottled-water brands, and let x equal the number of these brands that use tap water. Complete parts a through d.
a. Is x (approximately) a binomial random variable?
b. Give the probability distribution for x as a formula.
c. Find p(x = 2).
d. Find P(x <= 1).

Mathematics

1 answer:

finlep [7] · Answer 1 · 2022-02-17T13:27:44+03:00

finlep [7]3 years ago

8 0

Answer:

Answers below

Step-by-step explanation:

a. Is x (approximately) a binomial random variable?

b. Give the probability distribution for x as a formula.

c. Find p(x = 2).

d. Find P(x <= 1).

A​ four-year study of various brands of bottled water found that 25​% of bottled water is just tap water packaged in a bottle. C

A four-year study of various brands of bottled water found that 25% of bottled water is just tap water packaged in a bottle. C