Mathematics, 05.12.2019 18:31 shannonderemer
The duration of a voice telephone call is an exponential random variable t with expected value pound[7"] = 4 minutes. on average, data calls tend to be longer than voice calls. observe a call and reject the null hypothesis that it is a voice call if the call's duration is greater than x minutes. (a) write a formula for a, the significance of the test as a function of x. a(x) = (b) what is the value of x that produces a significance level alpha = 0.1 ? x =
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