survey found that 21% of Americans watch fireworks on the fourth of July each year. A) In a random sample of 52 Americans, what is the probability that exactly 14 watched fireworks on the fourth of July? (Give answer as a decimal correct to three decimal places.) B) What is the probability that at most 14 watched fireworks on the fourth of July? (Give answer as a decimal correct to three decimal places.) C) What is the probability that at least 14 watched fireworks on the fourth of July? (Give answer as a decimal correct to three decimal places.)
survey found that 21% of Americans watch fireworks on the fourth of July each year. A) In a random sample of 52 Americans, what is the probability that exactly 14 watched fireworks on the fourth of July? (Give answer as a decimal correct to three decimal places.) B) What is the probability that at most 14 watched fireworks on the fourth of July? (Give answer as a decimal correct to three decimal places.) C) What is the probability that at least 14 watched fireworks on the fourth of July? (Give answer as a decimal correct to three decimal places.)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A survey found that 21% of Americans watch fireworks on the fourth of July each year.
A) In a random sample of 52 Americans, what is the probability that exactly 14 watched fireworks on the fourth of July?
(Give answer as a decimal correct to three decimal places.)
B) What is the probability that at most 14 watched fireworks on the fourth of July?
(Give answer as a decimal correct to three decimal places.)
C) What is the probability that at least 14 watched fireworks on the fourth of July?
(Give answer as a decimal correct to three decimal places.)
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