Mathematics, 18.12.2019 19:31, dee0828
The sales of a grocery store had an average of $8,000 per day. the store introduced several advertising campaigns in order to increase sales. to determine whether or not the advertising campaigns have been effective in increasing sales, a sample of 64 days of sales was selected. it was found that the average was $8,300 per day. from past information, it is known that the standard deviation of the population is $1,200. the value of the test statistic is:
the p-value is, (round to 4 decimal places):
Answers: 2
Mathematics, 21.06.2019 14:40, nuggetslices
Write the sentence as an equation. 6 fewer than the quantity 140 times j equals 104
Answers: 2
Mathematics, 21.06.2019 15:10, sbelgirl2000
Figure abcde is a regular pentagon. segment ae is located at a (2, 1) and e (4, 1). what is the perimeter of abcde? 4 units 6 units 8 units 10 units
Answers: 1
Mathematics, 21.06.2019 19:30, ray2220
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
Answers: 3
The sales of a grocery store had an average of $8,000 per day. the store introduced several advertis...
Mathematics, 23.04.2020 20:57
Mathematics, 23.04.2020 20:57
Biology, 23.04.2020 20:57