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what is the standard deviation of the number of A Recoveries among 48 patients when the probability of Recovering is 0.75 |
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Answer» The answer is 3. Step-by-step explanation: Standard deviation = √npq Where "n" is the number of PATIENTS = 48 "p" is the CHANCES of success = 0.75 "q" is the chance of failure = 0.25 Therefore, Standard deviation = √ 48 X 0.75 x 0.25 = √9 = 3 Thus the value of standard deviation is 3. |
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