(Solved by Humans)-According to a survey, 61% of murders committed last year were
Question
According to a?survey,?61%?of murders committed last year were cleared by arrest or exceptional means. Fifty murders committed last year are randomly?selected,?and the number cleared by arrest or exceptional means is recorded.
(a)?Find the probability that exactly?41of the murders were cleared.
(b)?Find the probability that between?36?and?38?of the?murders,?inclusive, were cleared.
(c)?Would it be unusual if fewer than?18of the murders were?cleared?
(a)?The probability that exactly??41of the murders were cleared is _____?(Round?to four decimal places.)?
(b)?The probability that between??36?and??38?of the?murders,?inclusive, were cleared is _____.??(Round?to four decimal places?.)
(c)?Would it be unusual if fewer than??18?of the murders were?cleared?
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