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the hospital records show that ,of the patient suffering from certain disease , 60% die from it . what is the probability that , of 6 randomly selected patients , 4 will recover ? |
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Answer» LET THE EVENT OF RECOVERING BE SUCCESS AND DEATH BE FAILURE. P(SUCCESS)=40/100=2/5 P(FAILURE)=60/100=3/5 ACCORDING TO BERNOULLI'S TRIALS P(4 SUCCESSES OUT OF 6)=C(6,4)q^(6-4)p^4 =432/3125 |
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