1. n a sample of 150 households in a certain city, 110 had high speed internet access. A company is interested to perfor

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1 N A Sample Of 150 Households In A Certain City 110 Had High Speed Internet Access A Company Is Interested To Perfor 1 (33.39 KiB) Viewed 29 times

1. n a sample of 150 households in a certain city, 110 had high speed internet access. A company is interested to perform a test of hypothesis with 4% significance level that more than 70% of the households in this city have high speed internet access. How many households would have to be tested to have Bl.8) = 0.065 for the above test of hypothesis. (4 points) 2. A random sample from a company's very extensive files shows that orders for a certain piece of machinery were filled, respectively, in 10, 12, 19, 14, 15, 18, 11 and 13 days. Use the level of significance 0.01 to test the claim that on average such orders are filled in less than 10.5 days. (6 points)