Mathematics, 05.05.2020 19:28 jnsoccerboy7260
1. Pizza for carry-out A sample of 300 orders for take-out food at a local pizzeria found that the average cost of an order was $23. Assume for now that the standard deviation of the population is indeed known and equals $15. Round final answers to 2 decimal places. (a) For a 99% confidence interval find the margin of error for the average cost of an order. (b) Find the 99% confidence interval. (c) Provide an interpretation of the confidence interval. (d) If we only need to be 95% confident, does the confidence interval become wider or narrower
Answers: 1
Mathematics, 21.06.2019 18:50
The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3
Answers: 1
Mathematics, 21.06.2019 19:30
Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?
Answers: 2
Mathematics, 21.06.2019 20:00
The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3
Answers: 2
1. Pizza for carry-out A sample of 300 orders for take-out food at a local pizzeria found that the a...
Physics, 05.02.2020 21:44
Biology, 05.02.2020 21:44
Mathematics, 05.02.2020 21:44