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3 years ago

What is the solution to 4|0.5x – 2.5| = 0?

Mathematics

1 answer:

OverLord2011 [107]3 years ago

4 0

Answer:

x=5

Step-by-step explanation:

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Step-by-step explanation:

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lbvjy [14]

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3 years ago

Fifteen people have been exposed to a particular disease. Each one independently has a 40% chance of contracting the disease. A

valina [46]

Answer: e. .0950

Step-by-step explanation:

Let X be the number of people that can be cure from disease.

Since each people independently has a 40% chance of contracting the disease.

So , $X\sim Binomial(n=15,p=0.40)$

A hospital has the capacity to handle at most 8 cases of the disease.

Binomial distribution formula : $P(X=x)= ^nC_xp^x(1-p)^{n-x}$

Then , the probability that the hospital’s capacity will be exceeded

$P(X>8)=1-P(X\leq8)\\\\=1-0.905\ \ [\text{Using Binomial distribution table for n=15 , x=8 and p=0.4.}]$

$=0.095$

Hence, the probability that the hospital’s capacity will be exceeded is e. .0950.

Thus , the correct option is e. .0950.

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3 years ago