Sunday
April 20, 2014

Homework Help: Statistics

Posted by Joe D. on Saturday, February 11, 2012 at 12:27pm.

If red has a probability of occurrence of .70 and black has a probability of occurrence of .30 and they are the only choices what is the probability that you pick the right color 10 out of 10 times and what is the standard deviation. I keep getting (.70*.50) + (.30*.50) = .50, IT THIS CORRECT AND WHAT IS STD DEV?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Statistics - Red has probability .30 and black has probability .70. What is the ...
Statistics - A bucket has 3 blacks and 7 red balls. (a) What is the probability ...
statistics - 15.34 In a four-digit lottery, each of the four digits is supposed ...
Finite Math - An urn contains sixteen red balls and seventeen white balls. A ...
math - Two events are _________ if the outcome or occurrence of the first ...
Prob. & Statistics - If one event, say Black, has P(.70) and another event, say ...
Statistics - You draw nine cards from a standard deck of cards. What is the ...
Statistics - A bag of marbles has 5 Green, 4 Red, and 3 yellow marbles. Three ...
probability - If a box contains 4 red poker chips and 3 blue. What is the ...
Probability/Statistics - 1)Two marbles are chosen at random from a bag ...

Search
Members