Friday
April 18, 2014

Homework Help: math

Posted by Lesley on Wednesday, April 10, 2013 at 8:16pm.

A study conducted by a TV station showed the number of televisions per household and the corresponding probabilities for ecach. Find the mean, variance, and standard deviation.

(in table)
Number of televisions
1 2 3 4
Probability P(X)
0.32 0.51 0.12 0.05

If you were talking a survey on the programs that were watched on television, how many program diaries would you send to ecach household in the survey?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

microeconomics - charlie loves watching teletubbies on his local public tv ...
Statistics - In the July 29, 2001, issue of The Journal News (Hamilton, Ohio) ...
statistics - In the July 29, 2001, issue of The Journal News (Hamilton, Ohio) ...
statistics - In the July 29, 2001, issue of The Journal News (Hamilton, Ohio) ...
English - 1. I think watching TV is bad because we cannot study effectively. 2. ...
math - 15 tv were shipped 4 were defective if 2 tv's were random selected ...
psychology - what was the purpose of the study Harlow conducted in the "...
Statistics - A survey of 815 students is asked whether or not they have cable TV...
Statistics - 1. A study of 40 people found that they could do on the average15 ...
English - 1. We watched TV for two hours. 2. We watched TV at night/ at the shop...

Search
Members