3 years ago

What is the slope of the line that passes through the points

Mathematics

1 answer:

Westkost [7]3 years ago

7 0

The slope is -0.25 or in fraction -1/4

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3 years ago

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According to police sources, a car with a certain protection system will be recovered 87% of the time. Find the probability that

WITCHER [35]

Answer: 0.01145

Step-by-step explanation:

We use Binomial distribution , where the probability of getting x successes in n trial is given by :-

$P(x)=^nC_xp^x(1-p)^{n-x}$ , p = probability of getting each success in each trial.

As per given

The proportion that a car with a certain protection system will be recovered= p=0.87

n= 8

Let x be the number of cars will be recovered.

Then, the probability that 4 of 8 stolen cars will be recovered:

$P(X=4)=^8C_4(0.87)^4(1-0.87)^{8-4}$

$=\dfrac{8!}{4!(8-4)!}(0.87)^4(0.13)^4\\\\= 70(0.57289761)(0.00028561)\\\\=0.0114537700474\approx0.01145$

Hence, the required probability is 0.01145.

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3 years ago

What number is represented by 8^-3

blsea [12.9K]

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Step-by-step explanation:

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Janice works a babysitting job and makes $30 dollars a night. She babysits approximately 3 nights a week. What is her annual inc

34kurt

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Step-by-step explanation:

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