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# The probability of hitting a target is .25 Danny makes 3

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CEO
Joined: 21 Jan 2007
Posts: 2766
Location: New York City
Followers: 9

Kudos [?]: 331 [0], given: 4

The probability of hitting a target is .25 Danny makes 3 [#permalink]  25 Dec 2007, 14:05
The probability of hitting a target is .25
Danny makes 3 salvos

p = .25
~p = .75

What is the probability that he scores only 1 hit?

(.25) (.75) (.75) = .25(.75)^2
or
.25(.75)^2 * 3C1
Director
Joined: 12 Jul 2007
Posts: 865
Followers: 12

Kudos [?]: 213 [0], given: 0

.25(.75)^2 * 3C1

CEO
Joined: 21 Jan 2007
Posts: 2766
Location: New York City
Followers: 9

Kudos [?]: 331 [0], given: 4

eschn3am wrote:
.25(.75)^2 * 3C1

thanks. looking over my notes and saw that error...
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