Wednesday

September 17, 2014

September 17, 2014

Posted by **nneamaka** on Monday, September 23, 2013 at 9:19pm.

a. Determine the probability that the coin

comes up tails exactly 15 times.

b. Find the probability that the coin comes

up tails at least 15 times.

c. Find the mean and standard deviation for

the random variable X giving the number

of tails in this coin flipping problem.

**Answer this Question**

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