You are randomly selecting a sample of 12 participants for your research. The probability of choosing a woman from the population is .70. a. What is the probability of getting exactly 9 women? b. What is the probability of getting at least 9 women? c. What is the probability of getting 4 men?
You are randomly selecting a sample of 12 participants for your research. The probability of choosing a woman from the population is .70. a. What is the probability of getting exactly 9 women? b. What is the probability of getting at least 9 women? c. What is the probability of getting 4 men?
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 14T: An unbalanced coin is weighted so that the probability of heads is 0.55. The coin is tossed ten...
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Question
You are randomly selecting a sample of 12 participants for your research. The
a. What is the probability of getting exactly 9 women?
b. What is the probability of getting at least 9 women?
c. What is the probability of getting 4 men?
Expert Solution
Step 1
Let,
x be no of women
given.
n=12
P(women) p=0.70
q=1-p=0.30
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