Find the critical value(s) and rejection region(s) for the type of z-test with level of signi answer. Two-tailed test, a = 0.005 The critical value(s) is/are z= (Round to two decimal places as needed, Use a comma to separate answers as need

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A: Other expert has solved part b. Here We include part a answer.

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A: b) The probability that the resistors are within the allowable tolerance value is 0.90.

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