QR question

Thread starter bluecrumbs13
Start date Jul 22, 2010

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bluecrumbs13

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10+ Year Member

Jul 22, 2010

#1

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Robert tossed a fair coin 3 times. What is the probability that the coin landed heads up exactly twice?
a. 0.125
b. 0.250
c. 0.375
d. 0.750
e.0.875

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kkim85

Full Member

10+ Year Member

Jul 22, 2010

#2

Because...

HHT
HTH
THH

3/8 = 0.375

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