Thursday
April 24, 2014

Homework Help: Math

Posted by Tiffany on Monday, April 2, 2012 at 5:05pm.

An unfair coin with Pr[H]=0.25 is flipped 95 times. A random variable X is defined as the number of heads that occur. Find the standard deviation.
Any help??

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

MATH - an unfair coin with pr[tails]= .15 is flipped 6 times. what is the ...
Finite! please help - an unfair coin with pr[tails]= .15 is flipped 6 times. ...
probability - Suppose an unfair coin comes up heads 52.2% of the time if it is ...
Finite - Assume that the coin is weighted so that Pr[H] = [ 1/11], and that it ...
Math Problem ( 6th grade math) - Brandon tosses a coin 500 times. The coin lands...
Probability - Suppose that an unfair coin comes up heads 54.1% of the time. The...
math - I flipped a coin 25 times. So since I got heads 15 times, does that mean ...
statistics - air coin is flipped 20 times. a. Determine the probability that the...
Statistics - You are shown a coin that its owner says is fair in the sense that ...
Statistics - A coin was flipped 60 times and came up heads 38 times. (a) At the...

Search
Members