A pizza place recently hired additional drivers and as a result now claims that its average delivery time for orders is

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A Pizza Place Recently Hired Additional Drivers And As A Result Now Claims That Its Average Delivery Time For Orders Is 1 (23.78 KiB) Viewed 59 times

A Pizza Place Recently Hired Additional Drivers And As A Result Now Claims That Its Average Delivery Time For Orders Is 2 (22.89 KiB) Viewed 59 times

A Pizza Place Recently Hired Additional Drivers And As A Result Now Claims That Its Average Delivery Time For Orders Is 3 (25.95 KiB) Viewed 59 times

A pizza place recently hired additional drivers and as a result now claims that its average delivery time for orders is undet 46 minutes. A sample of 40 customer deliveries was examined, and the average delivery time was found to be 41 4 minutes. Historically, the standard deviation for delivery time is 10.7 minutes. Using a = 0.01, complete parts a and b below CT a. Does this sample provide enough evidence to support the delivery time claim made by the pizza place? Determine the null and alternative typotheses. Ho: На р
Suppose the average size of a new house bult in a certain county in 2006 was 2.260 square feet. A random sample of 16 new homes built in this county was selected in 2010 The average square footage was 2,197 with a sample standard deviation of 225 square feet a Using a 0 10, does this sample provide enough evidence to conclude that the average house size of a new home in the county has changed since 2006? b. Use technology to determine the pvalue for this test GT a. Determine the ruil and alternative hypotheses. Choose the correct answer below OA. Ho: = 2.269 and H > 2,269 OB. Ho -2.260 and Hy *2.269 OCH 222.260 and Hi < 2.269 OD. Hou* 2.269 and Hi 2.269
A government-sponsored organization that was established in 1938 after the Depression to provide local barks with money from the federal government to be used for residential mortgages in an effort to increase homeownership rates. As londing standards have tightened during the most recent housing market crisis, credit scores for borrowers of approved mortgages have increased. In 2012, the average credit score for loans that were purchased by the company was 767. A random sample of 25 mortgages recently purchased by the company was selected and it was found that the average credit score was 773 with a sample standard deviation of 20 Complete parts (a) through (c) below a. Using a = 0.10, is there enough evidence from this sample to conclude that the average credit score increased as the lending standards have tightened? Determine the null and alternative hypotheses. Choose the correct answer below. OA. H: 2767 and Hy #< 767 OB. H. ** 767 and H 767 OCH 5 767 and H > 767 OD. Ho 767 and Hi*767 DI