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5 October, 07:45

A sample of 40 batteries is taken from a case of 400. Thirty-seven of the batteries in the sample are good, and three are defective. Let p = the probability that a battery case is still good. Which of the following is NOT a possible value for p?

A. 0.5

B. 0.75

C. 0.9

D. 0.925

E. 1

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Answers (1)
  1. 5 October, 07:49
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    The answer is option E i. e., 1 because we know that there are 3 defective batteries in the case so the probability will never be 1 for this case.
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