It is claimed that a certain type of bipolar transistor has

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It is claimed that a certain type of bipolar transistor has a mean value of current gain that is at least 210. A sample of these transistors is tested. If the sample mean value of current gain is 200 with a sample standard deviation of 35, would the claim be rejected at the 5 percent level of significance if

(a) the sample size is 25;

(b) the sample size is 64?

Reference no: EM13624079

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