Mathematics, 16.07.2020 04:01 schneidersamant9242
a normal population has a mean 100 and variance 25. how large must the sample size be if we want the standard error of the sample average to be at most 1.5
Answers: 3
and standard deviation(square root of the variance) 
, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean 
.
Another question on Mathematics
Mathematics, 21.06.2019 18:30
An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?
Answers: 1
Mathematics, 21.06.2019 21:30
Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3
Answers: 2
Mathematics, 21.06.2019 22:00
Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.
Answers: 1
Mathematics, 21.06.2019 23:20
In the diagram below,abc is congruent to dec what is the value of x
Answers: 2
You know the right answer?
a normal population has a mean 100 and variance 25. how large must the sample size be if we want the...
Questions
