Question Help 17 m. 17 A book can be class fied as either non-fiction or fiction

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Question Help 17 m. 17 A book can be class fied as either non-fiction or fiction 81% of books are classified as fiction a Two books are chosen at random whats the probabity hat both books are fiction? (b) Nine books are chosen at random. What is the probabilty that all nine books are fiction? (c) What is the probability that at least one of nine randomly selected books is non-fiction? Would it be unusual that at least one of nine randomly selected books is non-fiction? Round to four decimal places as needed) 17 pm (b) The probability is Round to four decimal places as needed ) (c) The probability is Round to four decimal places as needed.) pm It would that at least one of nine randomly selected books is non-fiction pm be unusual epm not be unusual 9pm 9pm 0917 Enter your answer in each of the answer boxes 59pm 59pm O6 1 Interactive Assignment 59pm

Explanation / Answer

proability for fiction=p=0.87

a) P(both books are fiction)=p^2 =(0.87)^2 =0.7569

b) P(9 books are fiction)=p^9 =(0.87)^9 =0.2855

c) P(atleast one is non fiction out of 9)=1-P(none is non fiction out of 9)=1-0.2855=0.7145

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