Mathematics, 14.06.2021 18:40, globalremix
At Western University the historical mean of scholarship examination scores for freshman applications is 900. Ahistorical population standard deviation \sigmaσ= 180 is assumed known.
Each year, the assistant dean uses a sample of applications to determine whether the mean examination score for the new freshman applications has changed.
a. State the hypotheses.
b. What is the 95% confidence interval estimate of the population mean examination
score if a sample of 200 applications provided a sample mean \overline x
x
= 935?
c. Use the confidence interval to conduct a hypothesis test. Using \alphaα= .05, what is your
conclusion?
d. What is the p-value?
Answers: 3
Mathematics, 22.06.2019 03:30, srshelton
Anut store normally sells cashews for? $4.00 per pound and peanuts for? $1.50 per pound. but at the end of the month the peanuts had not sold? well, so, in order to sell 40 pounds of? peanuts, the manager decided to mix the 40 pounds of peanuts with some cashews and sell the mixture for $2.00 per pound. how many pounds of cashews should be mixed with the peanuts to ensure no change in the? profit?
Answers: 1
Mathematics, 22.06.2019 04:30, oscarmendoza2107
The ordered pair (2,-5.2) is located in quadrant iv
Answers: 1
At Western University the historical mean of scholarship examination scores for freshman application...
History, 26.04.2021 22:30
History, 26.04.2021 22:30
Medicine, 26.04.2021 22:30
Mathematics, 26.04.2021 22:30