Mathematics, 13.08.2021 02:20 cylertroutner
Land's Bend sels a wide variety of outdoor equipment and clothing. The company sells both through mail order and via the internet. Random samples of sales receipts were studied for mail-order sales and internet sales, with the total purchase being recorded for each sale. A random sample of 15 sales receipts for mail-order sales results in a mean sale amount of $85.60 with a standard deviation of $23.75. A random sample of 10 sales receipts for internet sales results in a mean sale amount of $94 00 with a standard deviation of S27.25 Using this data, the 90 % confidence interval for the true mean difference between the mean amount of mal order purchases and the mean amount of internet purchases Assume that the population variances are not equal and that the two populations are normally distributed Step 2 of 3: Find the margin of error to be used in constructing the confidence interval., Round your answer to six decimal places
Answers: 3
Mathematics, 21.06.2019 16:40
You have 3 boxes, one "strawberries"; one "mentos" and one "mixed".but you know that all the labels are in incorrect order .how do you know witch is witch?
Answers: 1
Mathematics, 21.06.2019 17:40
Aregular hexagon has sides of 2 feet. what is the area of the hexagon? 12 ft2 12 ft2 24 ft2 6 ft2
Answers: 2
Mathematics, 21.06.2019 20:20
20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}
Answers: 2
Land's Bend sels a wide variety of outdoor equipment and clothing. The company sells both through ma...
Arts, 01.07.2019 06:00
Mathematics, 01.07.2019 06:00
Mathematics, 01.07.2019 06:00
Mathematics, 01.07.2019 06:00
Mathematics, 01.07.2019 06:00
Computers and Technology, 01.07.2019 06:00
Mathematics, 01.07.2019 06:00
Mathematics, 01.07.2019 06:00
Mathematics, 01.07.2019 06:00
Mathematics, 01.07.2019 06:00