Discover a world of knowledge and get your questions answered at IDNLearn.com. Join our interactive community and get comprehensive, reliable answers to all your questions.

suppose life expectancy for freezers has an unknown distribution with mean 16 years and standard deviation 2 years. a sample of size n

Sagot :

Standard error of the  of the standard deviation of 2 years with the mean  and the sample size of n will be 3

The parameter list is abbreviated (lower value, upper value, μ,

, α / √n

normal cdf: (85,92,90, 15 / √25

= 0.6997

To find the value that is two standard deviations above the expected value 90, use the formula:

value = ux + ( # of STDEVs ( αx / √n )

value = 90 + 2 (15 / √25 )= 96

The value that is two standard deviations above the expected value is 96. The standard error of the mean is

σ / √n = 15√25

= 3.

standard error of the mean is a description of how far that the sample mean will be from the population mean in repeated simple random samples of size n.

To learn more about the standard deviation

https://brainly.com/question/19921489

#SPJ4