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Sati [7]
3 years ago
13

Evaluate this expression when s = 7, a = 5, m = 3, and t = 4

Mathematics
1 answer:
eimsori [14]3 years ago
8 0
T^2-t+6/m+3 when you fill in the letters you get 4^2-4+6/3+3 that is 18/6 then the answer is 3
 
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Answer:

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lysha is at a local library with her best friend. they've noticed a lot of cute boys in the library, and alysha bets that of the
Annette [7]

Using the binomial distribution, there is a 0.1201 = 12.01% probability that Alysha will win the bet.

<h3>What is the binomial distribution formula?</h3>

The formula is:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

C_{n,x} = \frac{n!}{x!(n-x)!}

The parameters are:

  • x is the number of successes.
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For this problem, the parameters are given as follows:

n = 20, p = 0.5.

She wins the bet if there are 12 boys, hence the probability is P(X = 12), found as follows:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 12) = C_{20,12}.(0.5)^{12}.(0.5)^{8} = 0.1201

0.1201 = 12.01% probability that Alysha will win the bet.

More can be learned about the binomial distribution at brainly.com/question/24863377

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