Posted by Eliz on Wednesday, February 10, 2010 at 9:25pm.
head or a six?
Pr(head or six)= 1-Pr(tail and not a six)
= 1/2*5/6=5/12
Grrrr. I forgot the 1
Pr (head or six)=1=5/12=7/12
In a particular game, a fair die is tossed. If the number of spots showing is either four or five, you win $1. If the number of spots showing is six, you win $4. And if the number of spots showing is one, two, or three, you win nothing. You are going to play game twice.
The probability that you win $4 both times is
a)1/6
b)1/3
c)1/36
d)1/4
e)1/12
c
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