2 years ago

Evaluate the expression for the given variable -4p+1 when p=2

Mathematics

1 answer:

Rama09 [41]2 years ago

8 0

-4p+1 = -4(2)+1 = -8+1 = -7

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the probability that a twelve year old has a brother or sister is 25%. suppose you survey 300 twelve year olds. about how many d

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Step-by-step explanation:

Explanation:-

<u>Probability</u>:-

P(E) = $\frac{number of elements events in E}{total number of elementary events in the random experiment}$

$P(E) = \frac{m}{n}$

Let 'B' be the event of having twelve year old brother

Let 'S' be the event of having twelve year old sister

given data P(BUS) = 0.25

given total survey n(survey) = 300

we have to find the value is n(BUS) =?

we will use probability definition we get, P( BUS) = $\frac{n(BUS)}{n(survey)}$

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$0.25 = \frac{n(BUS)}{300}$

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n(BUS) = 0.25 X 300

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3 years ago

Evaluate the expression for the given variable -4p+1 when p=2​

Evaluate the expression for the given variable -4p+1 when p=2