subject
Mathematics, 09.06.2020 19:57 carlossauceda0

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

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 17:30, hinacat87
Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?
Answers: 1
image
Mathematics, 21.06.2019 21:00, arizmendiivan713
*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?
Answers: 1
image
Mathematics, 21.06.2019 21:00, GreenHerbz206
Solving algebraic equations 2m+3=11
Answers: 2
image
Mathematics, 21.06.2019 21:00, carissaprocacci
Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%
Answers: 1
You know the right answer?
A four-year study of various brands of bottled water found that 25% of bottled water is just tap wat...

Questions in other subjects:

Konu
Mathematics, 31.03.2021 18:30
Konu
Mathematics, 31.03.2021 18:30