Tuesday

July 22, 2014

July 22, 2014

Posted by **Samantha** on Sunday, July 22, 2012 at 5:59pm.

z = 3.00

z = 1.00

z = 9.00

cannot determine without additional information

- John jay college -
**MathMate**, Sunday, July 22, 2012 at 6:15pmSample mean from a sample of size n from a

*normal*population with mean μ and σ has parameters N(μ,σ²/n)

Since n=9, σ=9, σ²/n=9, so the sample mean ~ N(50, 3²).

Z-score=((M-μ)/σ)=(59-50)/3=3

**Related Questions**

John jay college - A random sample of n = 9 scores is obtained from a population...

Math - I need help with this these two problem PLEASE!!! For a population with ...

math - 1. Consider the following scenario: A random sample obtained from a ...

statistics - A random sample of n = 9 scores is obtained from a population with...

statistics - random sample of n = 16 scores is selected from a normal ...

Statistic - For a population with a mean of μ 70 and a standard deviation...

Statistics - For a population with a mean of (mew) = 50 and a standard deviation...

statistic - Suppose a random sample of 25 students is selected from a community ...

Stor - Here is a simple way to create a random variable X that has mean μ ...

stats - A random sample of n=16 scores is obtained from a population with a mean...