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svetlana [45]
3 years ago
5

A case-control study identified an odds ratio of 8.56. The study examined whether asthma was related to the presence of cockroac

h allergens in the home of individuals with asthma. What conclusion does the odds ratio in this study suggest?
Mathematics
1 answer:
Anna71 [15]3 years ago
6 0

Answer:

what class is this in

Step-by-step explanation:

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A factory received a shipment of 11 hammers, and the vendor who sold the items knows there are 2 hammers in the shipment that ar
zhenek [66]

Question:

If a sample of 2 hammer is selected

(a) find the probability that all in the sample are defective.

(b) find the probability that none in the sample are defective.

Answer:

a Pr = \frac{2}{110}

b Pr = \frac{72}{110}

Step-by-step explanation:

Given

n = 11 --- hammers

r = 2 --- selection

This will be treated as selection without replacement. So, 1 will be subtracted from subsequent probabilities

Solving (a): Probability that both selection are defective.

For two selections, the probability that all are defective is:

Pr = P(D) * P(D)

Pr = \frac{2}{11} * \frac{2-1}{11-1}

Pr = \frac{2}{11} * \frac{1}{10}

Pr = \frac{2}{110}

Solving (b): Probability that none are defective.

The probability that a selection is not defective is:

P(D') = \frac{9}{11}

For two selections, the probability that all are not defective is:

Pr = P(D') * P(D')

Pr = \frac{9}{11} * \frac{9-1}{11-1}

Pr = \frac{9}{11} * \frac{8}{10}

Pr = \frac{72}{110}

8 0
3 years ago
Find each equation with the correct solution​
stepladder [879]

Answer:

15;9;-8

Step-by-step explanation:

1. 5/3x-3=2/3x+12

x=15 once you combine like terms

2. 5x+35-3x+12=7x+2

2x+47=7x+2

5x=45

x=9

3. 12x+20-3=9x-7

12x+17=9x-7

3x=-24

x=-8

3 0
2 years ago
123,456.78901 to ten – thousandths<br> -
dezoksy [38]

Answer:

123,456.789

Step-by-step explanation:

The ten thousandth place is less than 5.

5 0
3 years ago
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PLEASE HELP ME WITH BOTH MATH QUESTIONS ASAP!!!!!!!!!
maxonik [38]

Answer:

the one on top=   c=  -12

the bottom one=  f=   -15

Step-by-step explanation:

4 0
3 years ago
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Determine whether 96 is divisible by 3
aleksandr82 [10.1K]
96 divided by 3 is 32
Therefor, it is divisible by 3
Is this what you were looking for?
7 0
3 years ago
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