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stepan [7]
3 years ago
6

A teacher chooses a committee of 5 students

Mathematics
2 answers:
AlladinOne [14]3 years ago
7 0

Answer:

5 different committees

Step-by-step explanation:

If each committee has 5 students and there is 25.

25/5=5

evablogger [386]3 years ago
3 0

Answer: 5 Committees

because 5+5+5+5+5=25

HOPE THIS HELPS

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Answer:

There is an 84.97% probability that at least six wear glasses.

Step-by-step explanation:

For each adult over 50, there are only two possible outcomes. Either they wear glasses, or they do not. This means that we use the binomial probability distribution to solve this problem.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

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

In which C_{n,x} is the number of different combinatios of x objects from a set of n elements, given by the following formula.

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

And p is the probability of X happening.

In this problem we have that:

n = 10, p = 0.7

What is the probability that at least six wear glasses?

P(X \geq 6) = P(X = 6) + `P(X = 7) + P(X = 8) + P(X = 9) + P(X = 10) = 0.8497

There is an 84.97% probability that at least six wear glasses.

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3 years ago
A side of the triangle below has been extended to form an exterior angle of 62°. Find the value of x
telo118 [61]

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Step-by-step explanation:

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