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Dmitry_Shevchenko [17]
3 years ago
10

What is 2 3/8 divided by 1 1/4... here the answers

Mathematics
2 answers:
alex41 [277]3 years ago
3 0

Answer:

B Step-by-step explanation:

Evgesh-ka [11]3 years ago
3 0

Answer:

B

Step-by-step explanation:

just ask Google and it will show as 1.9 which is 1 and 9/10

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The model shown represents which of the following?
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Answer:

its 3

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
The Resource Conservation and Recovery Act mandates the tracking and disposal of hazardous waste produced at U.S. facilities. Pr
aniked [119]

Answer:

(a) E(X) =  0.383

The expected number in the sample that treats hazardous waste on-site is 0.383.

(b) P(x = 4) = 0.000169

There is a 0.000169 probability that 4 of the 10 selected facilities treat hazardous waste on-site.

Step-by-step explanation:

Professional Geographer (Feb. 2000) reported the hazardous waste generation and disposal characteristics of 209 facilities.

N = 209

Only eight of these facilities treated hazardous waste on-site.

r = 8

a. In a random sample of 10 of the 209 facilities, what is the expected number in the sample that treats hazardous waste on-site?

n = 10

The expected number in the sample that treats hazardous waste on-site is given by

$ E(X) =  \frac{n \times r}{N} $

$ E(X) =  \frac{10 \times 8}{209} $

$ E(X) =  \frac{80}{209} $

E(X) =  0.383

Therefore, the expected number in the sample that treats hazardous waste on-site is 0.383.

b. Find the probability that 4 of the 10 selected facilities treat hazardous waste on-site

The probability is given by

$ P(x = 4) =  \frac{\binom{r}{x} \binom{N - r}{n - x}}{\binom{N}{n}} $

For the given case, we have

N = 209

n = 10

r = 8

x = 4

$ P(x = 4) =  \frac{\binom{8}{4} \binom{209 - 8}{10 - 4}}{\binom{209}{10}} $

$ P(x = 4) =  \frac{\binom{8}{4} \binom{201}{6}}{\binom{209}{10}} $

$ P(x = 4) =  \frac{70 \times 84944276340}{35216131179263320}

P(x = 4) = 0.000169

Therefore, there is a 0.000169 probability that 4 of the 10 selected facilities treat hazardous waste on-site.

8 0
2 years ago
Smallest to largest. Here are four decimal numbers: 0.9, 0.5, 0.8, 0.1
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Answer:

0.1,0.5,0.8,0.9

Step-by-step explanation:

4 0
2 years ago
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-7 + (-9) - (-11) -2
Tju [1.3M]
The answer is -7, please give brainliest.
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2 years ago
Complete the statements about circle j
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Step-by-step explanation:

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