Mathematics, 09.05.2020 20:57 thomasalmo2014
The manager of a grocery store has taken a random sample off 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 .5 minutes. We want to test to determine whether or not the mean waiting time of all customers is significantly more than 3 minutes.
(A) calculate the test statistic
(B) calculate the p-value
(C) at a .05 level significance it can be concluded that the mean of the population is:
- significantly greater than 3
- Not significantly greater than 3
- Significantly less than 3
- Significantly greater than 3.18
Answers: 1
Mathematics, 21.06.2019 19:00
1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)
Answers: 1
Mathematics, 21.06.2019 19:00
Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !
Answers: 1
Mathematics, 21.06.2019 20:30
8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?
Answers: 1
Mathematics, 21.06.2019 21:00
What is the length and width of a 84.5 square foot rug? will mark
Answers: 1
The manager of a grocery store has taken a random sample off 100 customers. The average length of ti...
Mathematics, 28.09.2019 02:20
Mathematics, 28.09.2019 02:20
Chemistry, 28.09.2019 02:20
Mathematics, 28.09.2019 02:20
Spanish, 28.09.2019 02:20
Social Studies, 28.09.2019 02:20
English, 28.09.2019 02:20
Mathematics, 28.09.2019 02:20
Mathematics, 28.09.2019 02:30
Chemistry, 28.09.2019 02:30
Biology, 28.09.2019 02:30