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Amiraneli [1.4K]
2 years ago
7

Evaluate the expression 27 (36)

Mathematics
1 answer:
julia-pushkina [17]2 years ago
5 0

The value of the expression is 972

<h3>How to evaluate the expression?</h3>

The expression is given as:

27(36)


Express 36 as 18 + 18

27(18+ 18)

Expand

486+ 486

Evaluate the sum

972

Hence, the value of the expression is 972

Read more about expressions at:

brainly.com/question/723406

#SPJ1

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3 years ago
A production process is known to produce a particular item in such a way that 5 percent of these are defective. If two items are
IRINA_888 [86]

Answer:

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Step-by-step explanation:

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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 combinations of x objects from a set of n elements, given by the following formula.

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

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If two items are randomly selected as they come off the production line, what is the probability that both are defective

This is P(X = 2) when n = 2. So

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P(X = 2) = C_{2,2}.(0.05)^{2}.(0.95)^{0} = 0.0025

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