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LilyGal LilyGal
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Posts: 447
2 years ago
Pepsi is running a sales promotion in which 12% of all bottles have a "FREE" logo under the cap. What is the probability that you find two free ones in a 6-pack?

▸ 11%

▸ 23%

▸ 97%

▸ 1%

▸ 13%
Textbook 

Stats: Modeling the World


Edition: 4th
Authors:
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JjogbhfJjogbhf
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Posts: 387
2 years ago Edited: A month ago, bio_man
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13%
We know that the probability of success,p is 0.12.

Number of trials, n is 6.

Number of successes required, r is 2.

P(X=r)= nCr * pr * (1-p)n-r

Substituting the values in the equation, we get

P(X=2)= 0.13.
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wrote...
2 years ago
Good timing, thanks!
wrote...
A month ago
Thank you so much
Post Merge: A month ago

wrote...
A month ago
TY :)
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