subject
Mathematics, 11.04.2021 04:40 lulustar13

Find the necessary sample size. A population is normal with a variance of 99. Suppose you wish to estimate the population mean μ. Find the sample size needed to assure with 68.26 percent confidence that the sample mean will not differ from the population mean by more than 4 units.
A. 9
B. 7
C. 613
D. 25

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 18:00
The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.
Answers: 1
question
Mathematics, 21.06.2019 19:50
What is the distance between point a and b
Answers: 1
question
Mathematics, 22.06.2019 02:30
(fog)(x) if f(x)=x^2- 4 and g(x)=x^2 + 2 x, f(g(x))= f(x^2+2x) (x^2+2x)^2-4 (x^2+2x)(x^2+2x)-4 (x^4+2x^3+5x+4x^2)-4 x^4+2x^3+4x^2+5x-4 what am i doing wrong
Answers: 1
question
Mathematics, 22.06.2019 03:00
Finally, the arena decides to offer advertising space on the jerseys of the arena's own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14 what is this as a percentage? what is this as a fraction? what is the probability of not being shortlisted? give your answer as a decimal.
Answers: 3
You know the right answer?
Find the necessary sample size. A population is normal with a variance of 99. Suppose you wish to e...
Questions
question
Mathematics, 08.01.2021 01:20
question
Biology, 08.01.2021 01:20
question
Mathematics, 08.01.2021 01:20
question
Arts, 08.01.2021 01:20
question
History, 08.01.2021 01:20
question
Mathematics, 08.01.2021 01:20
Questions on the website: 13722367