(a) Calculate the following probabilities: (i) P(X = 3) (ii) P(X > 9) (iii) P(X <3) (iv) P(5

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4. Suppose that 8 percent of the computer chips produced by a company are defective.
A sample of 12 computer chips is selected at random. Let X be the probability
distribution of defective chips in that sample.
(a) Calculate the following probabilities:
(i) P(X = 3)
(ii) P(X > 9)
(iii) P(X < 3)
(iv) P(5< X <7)
(b) Give the mean and standard deviation of this distribution.
Transcribed Image Text:4. Suppose that 8 percent of the computer chips produced by a company are defective. A sample of 12 computer chips is selected at random. Let X be the probability distribution of defective chips in that sample. (a) Calculate the following probabilities: (i) P(X = 3) (ii) P(X > 9) (iii) P(X < 3) (iv) P(5< X <7) (b) Give the mean and standard deviation of this distribution.
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