IMG_1630.jpg - C A student is randomly choosing the answer to each of 5 multiple choice questions in a test Each question has 4 possible answers How

IMG_1630.jpg - C A student is randomly choosing the answer...

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Unformatted text preview: C) A student is randomly choosing the answer to each of 5 multiple choice questions in a test. Each question has 4 possible answers . How many possible ways can ille student answer the five questions ? 45 = 1024 possible mans d) Using an ordinary deck of playing cards has mary possible ways can a hand of I cards be dealt? (52) = 133184560 possible hands ( ) Determine the probability that a bit string of length 10 contains exactly 4 or 5 mes. = 210 ( 1024) + 252 ( 7024) = 0. 20507 ... + 0. 24609... 0 . 4512 10) The probability of functioning for each component is 0.95. The entire system works if A, or A2 works , and B,or Ba works . Find the probability that the entire system works, P ( A UA2 ) = P(A ) + P ( A2 ) = P ( AnAa ) = 0.95 + 0.95- 95x 95 = 0.9975 P (B, V BZ ) = P(B, ) + P(B2 ) - P(B, nB2 ) = 0. 95 + 0.95 -. 95 x, 95 = 0. 9975 0. 9975 * 0. 9 975 *0.95 0.9452...
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