Homework Help: math

Posted by Tina on Monday, February 11, 2013 at 11:38pm.

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Question text
A fair coin is tossed 6 times. What is the probability to the nearest hundredth of obtaining at least one head?
Select one:
a. .08
b. .98
c. .50
d. .02

math - Steve, Tuesday, February 12, 2013 at 12:09am
What's the probability of zero heads? The same as 6 tails:

(1/2)^6 = 1/64

So, P(>=1 head) = 1 - 1/64 = 63/64

Looks like (B)

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