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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: 2756
Location: New York City
Followers: 11

Kudos [?]: 850 [0], given: 4

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

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25 Dec 2007, 14:05
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

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?

Is the answer
(.25) (.75) (.75) = .25(.75)^2
or
.25(.75)^2 * 3C1
Director
Joined: 12 Jul 2007
Posts: 862
Followers: 15

Kudos [?]: 286 [0], given: 0

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25 Dec 2007, 15:05
.25(.75)^2 * 3C1

.25*.75*.75*3 is your answer
CEO
Joined: 21 Jan 2007
Posts: 2756
Location: New York City
Followers: 11

Kudos [?]: 850 [0], given: 4

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25 Dec 2007, 17:33
eschn3am wrote:
.25(.75)^2 * 3C1

.25*.75*.75*3 is your answer

thanks. looking over my notes and saw that error...
25 Dec 2007, 17:33
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# The probability of hitting a target is .25 Danny makes 3

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