for the following question kindlly I need step by step solution to understand similar questions. A...

for the following question kindlly I need step by step solution to understand similar questions.

A manufacturer of metal pistons finds that on the average, 25% of the pistons are rejected because they are either oversize or undersize. If 10 pistons are randomly selected then answer the following questions:

(a) Calculate the probability that exactly 2 are rejected?

(b) Calculate the probability that no more than 3 rejected?

(c) Calculate the probability that at least 8 pistons are rejected?

(d) Calculate the probability that at most 4 pistons are rejected?

(e) Calculate the expected number of accepted pistons in this sample.

(f) Calculate the variance of rejected pistons in this sample.

(g) Calculate the standard deviation of rejected pistons in this sample.

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orchestra answered 1 year ago

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