A researcher claims that the mean weight of the population of dudes at CSUSB is 250 lbs (dudes love their tacos). A sample of dudes found the following: n = 47 avg = 232 S = 10 HO: mu = 250; Ha: mu != 232 z = -12.34, reject null hypothesis z = 12.34, reject null hypothesis z = -12.34, do not reject null hypothesis z =12345, do not reject null hypothesis Ot= 12.34, do not reject null hypothesis

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