Approximately 12% of the U.S. population is composed of African-Americans. Assuming that the same percentage is true for telephone ownership, what is the probability that when 25 phone numbers are selected at random for a small survey, that 5 of the numbers belong to an African-American family? Select one: O a. 0.4 O b. 0.233 O c. 0.2015 O d. 0.1025
Approximately 12% of the U.S. population is composed of African-Americans. Assuming that the same percentage is true for telephone ownership, what is the probability that when 25 phone numbers are selected at random for a small survey, that 5 of the numbers belong to an African-American family? Select one: O a. 0.4 O b. 0.233 O c. 0.2015 O d. 0.1025
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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