Mathematics, 21.01.2021 05:10 hunterthompson5578
John is shopping for wireless routers and is overwhelmed by the number of available options. In order to get a feel for the average price, he takes a random sample of 75 routers and finds that the average price for this sample is $75 and the standard deviation is $25
a. Based on this information, how much variability should he expect to see in the mean prices of repeated
samples, each containing 75 randomly selected wireless routers?
Answers: 3
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Astudy claims that the mean age of online dating service users is 40 years. some researchers think this is not accurate and want to show that the mean age is not 40 years. identify the null hypothesis, h0, and the alternative hypothesis, ha, in terms of the parameter μ. select the correct answer below: h0: μ≥40; ha: μ< 40 h0: μ≤40; ha: μ> 40 h0: μ≠40; ha: μ=40 h0: μ=40; ha: μ≠40
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John is shopping for wireless routers and is overwhelmed by the number of available options. In orde...
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