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Lesechka [4]
3 years ago
6

Three minus the product of two and a number xxx.

Mathematics
1 answer:
pav-90 [236]3 years ago
5 0
Answer: 3 - 2x

I’m not sure if you meant xxx or not.
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The  probability that she gets all 7 questions correct is 0.0078.

Step-by-step explanation:

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P(X = r) = \binom{n}{r} \times p^{r} \times (1-p)^{n-r} ; x = 0,1,2,3,........        

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