Mathematics, 19.12.2019 21:31 yorblayo17011
At western university the historical mean of scholarship examination scores for freshman applications is 900. a historical population standard deviation σ= 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 x¯¯¯= 935?
c. use the confidence interval to conduct a hypothesis test. using α= .05, what is your
conclusion?
d. what is the p-value?
Answers: 1
Mathematics, 21.06.2019 15:30
Which equation represents the line that passes through the points and (4, 10) and (2, 7)? y = 3/2x - 11y = 3/2x +4y = - 3/2x + 19y = - 3/2x + 16
Answers: 2
Mathematics, 21.06.2019 16:10
Which of the following graphs represents the function f(x) = 2^x
Answers: 2
Mathematics, 21.06.2019 16:20
Two lines parallel to the same plane are parallel to eachother
Answers: 1
At western university the historical mean of scholarship examination scores for freshman application...
Spanish, 24.03.2020 23:12
Mathematics, 24.03.2020 23:12
Physics, 24.03.2020 23:12
Mathematics, 24.03.2020 23:12
History, 24.03.2020 23:12
Mathematics, 24.03.2020 23:12
Computers and Technology, 24.03.2020 23:12
Biology, 24.03.2020 23:12