Mathematics, 31.07.2019 21:20 keke6361
An iq test is designed so that the mean is 100 and the standard deviation is 15 for the population of normal adults. find the sample size necessary to estimate the mean iq score of statistics students such that it can be said with 95% confidence that the sample mean is within 3 iq points of the true mean. assume that sigmaequals15 and determine the required sample size using technology. then determine if this is a reasonable sample size for a real world calculation.
Answers: 1
Mathematics, 21.06.2019 16:50
Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.
Answers: 3
Mathematics, 21.06.2019 19:10
The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)
Answers: 1
Mathematics, 22.06.2019 01:10
You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?
Answers: 2
An iq test is designed so that the mean is 100 and the standard deviation is 15 for the population o...
Chemistry, 11.01.2021 18:50
English, 11.01.2021 18:50
Social Studies, 11.01.2021 18:50
Mathematics, 11.01.2021 18:50
Mathematics, 11.01.2021 18:50
History, 11.01.2021 18:50
English, 11.01.2021 18:50
Mathematics, 11.01.2021 18:50
Social Studies, 11.01.2021 18:50
Mathematics, 11.01.2021 18:50
Health, 11.01.2021 18:50