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Anuta_ua [19.1K]
3 years ago
10

- A copy machine makes 60 copies per minute. A second

Mathematics
1 answer:
Fantom [35]3 years ago
7 0

Answer:

960

Step-by-step explanation:

60 × 8

= 480

80 × 6

= 480

480 + 480

= 960

I hope this helps and that you have a great day!

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Ilya [14]
The anser is C for reasons of science ;)
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Which is a better buy? 5000 sqft of lawn food for $11.99 or 12500 sqft of lawn food for $19.99? Show proof.
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The number of tickets sold for a concert during each hour ,x, of the first 10hours the tickets were in sale is given by g(x)=x^3
Mashutka [201]

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8 0
3 years ago
At a university, 12% of students smoke. Calculate the expected number of smokers in a random sample of 140 students from this un
Masteriza [31]

Answer:

a) The expected number of smokers in a random sample of 140 students from this university is 16.8 smokers.

b) No, it is unlikely that smoking habits and waking up early to go to the gym on Saturday are independent.

Step-by-step explanation:

To calculate the expected numbers of smokers in a sample with size n=140 and proportion p=12%, we use the expected value of the binomial distribution:

E(x)=n\cdot p=140\cdot 0.12=16.8

The expected number of smokers in a random sample of 140 students from this university is 16.8 smokers.

If we take a sample at the opening of the gym, the sample is not expected to be representative of the population of the students. Most of the students that go to the gym usually have healthy habits, so the proportions of smokers is expected to be lower than the average of the university population.

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2 years ago
Find each sum simplify if possible
notsponge [240]
That's simplied already, unless they want a decimal then it's .6 or something
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