Mathematics, 03.12.2019 04:31, dmperez1213
The manager of a grocery store has taken a random sample of 100 customers. the average length of time it took the customers in the sample to check out was 3.1 minutes. the population standard deviation is known to be 0.5 minutes. we want to see if we can find significant evidence to prove that the mean waiting time of all customers is significantly more than 3 minutes. the test statistic is 2. what is the p-value? round your answer to three decimal places.
Answers: 3
Mathematics, 21.06.2019 18:00, justijust500
Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.
Answers: 3
Mathematics, 22.06.2019 03:30, ryleepretty
15. jiovanni is looking in to two different companies that offer study guides for math exams. test prep 101 charges a $5 flat fee and an additional $0.25 per problem. math charges a $2 flat fee and an additional $0.50 per problem. how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {
Answers: 1
Mathematics, 22.06.2019 04:10, 00bebebeauty00
What is the expression equivalent to (3x^2-7)
Answers: 2
The manager of a grocery store has taken a random sample of 100 customers. the average length of tim...
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