Friday
December 19, 2014

Homework Help: statistics

Posted by james akbar on Wednesday, February 29, 2012 at 6:23pm.

We have a group of 75 people and for their raw scores, you are given the Mean (M = 30) and variance (VAR = 16). Assuming a normal distribution of scores, what is the probability of randomly selecting a score between 27 and 31 for this group?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics - Given a normal distribution of scores with a mean of 100 and a SD ...
Statistics - 2. Obtain and interpret descriptive statistics (Mean, Median, ...
Statistics - I have a couple questions I answer for home work could some look ...
Statistics - The distribution of IQ scores is a nonstandard normal distribution ...
MAth - 500 candidates appeared for a certain test. The mean scores was 59 and ...
Statistics - Hi! I've been stuck on this question for a while. I know that I ...
statistics - 3. Fill in the blanks with the appropriate raw scores, z-scores, T-...
statistics - The profit for a new product is given by Z = 2X - 2Y - 7. We know ...
statistics - GIVEN THE FOLLOWING STATISTICAL VARIABLES A:m(A)=5 B:m(B)=13 var(A...
Math/Statistics - A statistics teacher believes that the final exam grade for ...

Search
Members