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Tatiana [17]
2 years ago
6

Pls help

Mathematics
1 answer:
Natali5045456 [20]2 years ago
4 0

Answer:

1. Do rise, over run

2. y2-y1 / x2-x1

Step-by-step explanation:

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Suppose that only 65% of all drivers in a certain state wear a seat belt. a random sample of 80 drivers is selected. what is the
jonny [76]

Answer:

Pr(X >42) = Pr( Z > -2.344)

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Step-by-step explanation:

The scenario presented can be modeled by a binomial model;

The probability of success is, p = 0.65

There are n = 80 independent trials

Let X denote the number of drivers that wear a seat belt, then we are to find the probability that X is greater than 42;

Pr(X > 42)

In this case we can use the normal approximation to the binomial model;

mu = n*p = 80(0.65) = 52

sigma^2 = n*p*(1-p) = 18.2

Pr(X >42) = Pr( Z > -2.344)

                = Pr( Z< 2.344) = 0.9905

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tangare [24]

Answer:

Step-by-step explanation:

15s-100=350

the last one

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2 years ago
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What is the greatest common factor of 32,24,40
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second answer to the left


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