Mathematics, 02.01.2020 22:31 carlo123
Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?
a. average daily sales have increased
b. average daily sales have decreased
c. average daily sales have remained the same
d. average daily sales have not increased
e. the answer cannot be determined without further information
Answers: 2
Mathematics, 21.06.2019 14:00
Find the volume of the solid generated when the region bounded by y= x and y= 4√x is revolved about the x-axis the volume of the solid is: (type an exact answer cubic units)
Answers: 1
Mathematics, 21.06.2019 16:40
Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in
Answers: 2
Mathematics, 21.06.2019 21:10
Hey free points ! people i have a few math questions on my profile consider looking at them i have to get done in 30 mins!
Answers: 1
Mathematics, 21.06.2019 23:10
Determine the required value of the missing probability to make the distribution a discrete probability distribution. x p(x) 3 0.23 4 ? 5 0.51 6 0.08 p(4) = nothing (type an integer or a decimal.)
Answers: 3
Recall that the owner of a local health food store recently started a new ad campaign to attract mor...
History, 30.09.2019 15:00
English, 30.09.2019 15:00
Biology, 30.09.2019 15:00
Health, 30.09.2019 15:00
History, 30.09.2019 15:00
Geography, 30.09.2019 15:00
Mathematics, 30.09.2019 15:00
Mathematics, 30.09.2019 15:00
Social Studies, 30.09.2019 15:00