Mathematics, 20.11.2019 21:31, emelylugo33
Alocal eat-in pizza restaurant wants to investigate the possibility of starting to deliver pizzas. the owner of the store has determined that home delivery will be successful only if the average time spent on a delivery does not exceed 25 minutes. the owner has randomly selected 21 customers and delivered pizzas to their homes in order to test whether the mean delivery time actually exceeds 25 minutes. suppose the p-value for the test was found to be .0284. state the correct conclusion. question 22 options: at ? = .025, we fail to reject h0.at ? = .05, we fail to reject h0.at ? = .03, we fail to reject h0.at ? = .02, we reject h0.
Answers: 1
Mathematics, 21.06.2019 13:30, hsjsjsjdjjd
1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.
Answers: 3
Mathematics, 21.06.2019 16:20, mattmaddox86
The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%
Answers: 2
Alocal eat-in pizza restaurant wants to investigate the possibility of starting to deliver pizzas. t...
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