subject
Mathematics, 23.07.2019 23:10 kobz

Scores on a certain test are normally distributed with a variance of 88. a researcher wishes to estimate the mean score achieved by all adults on the test. find the sample size needed to assure with 95 percent confidence that the sample mean will not differ from the population mean by more than 3 units.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
Evaluate the expression for the given value of the variable. 5×(h+3) for h=7
Answers: 1
question
Mathematics, 21.06.2019 18:10
What is the value of x in the following equation. -x ^3/2 = -27
Answers: 1
question
Mathematics, 21.06.2019 19:50
Examine the two-step equation. − 7 4 + x 4 = 2 which property of operations allows you to add the same constant term to both sides? amultiplication property of equality bdivision property of equality caddition property of equality dsubtraction property of equality
Answers: 2
question
Mathematics, 21.06.2019 22:00
Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0
Answers: 2
You know the right answer?
Scores on a certain test are normally distributed with a variance of 88. a researcher wishes to esti...
Questions
question
Arts, 30.01.2020 00:42
question
Mathematics, 30.01.2020 00:42
Questions on the website: 13722363