Wednesday
April 1, 2015

Homework Help: gre math prob of a sample

Posted by luckybee on Tuesday, January 10, 2012 at 10:50pm.

sample standard deviation = 3
sample mean = 68
n=30
what is the probability that one student selected at random from the sample will have a height within one sample standard deviation of the sample mean?

a. 1.00
b. 0.73
c. 0.57
d. 0.23

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics - The scores of students on the ACT college entrance examination in ...
Math- Statistics - A random sample of size 36 is to be selected from a ...
Statistics - 1. The scores of students on the ACT college entrance examination ...
statistics - random sample of n = 16 scores is selected from a normal ...
math help - A random sample of size 26 is to be selected from a population that ...
statistics - 1. A random sample of n = 16 scores is selected from a normal ...
statistics - A sample of 40 observations is selected from one approximately ...
statistics - A sample of 40 observations is selected from one approximately ...
Statistics - 8. A sample of 65 observations is selected from one population. The...
statistics - 7. A sample of 40 observations is selected from one population. The...

Members