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barxatty [35]
2 years ago
11

At a camp with 300 campers and 15 counselors, what is the camper-counselor ratio?​

Mathematics
1 answer:
Tatiana [17]2 years ago
4 0

Answer:

300:15 = 100:5 = 20:1

Answer = 20:1

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4x^2(3+4x)

Step-by-step explanation:

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In a book the characters are trying to determine whether the Poisson probabilistic model can be used to describe the locations t
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Answer:

The estimated mean number of rockets hits in the region is 533.

Step-by-step explanation:

We are given the following information,

Number of rocket hits     |    Observed number of regions

0                                       |                       228

1                                        |                       214

2                                       |                        94

3                                       |                        32

4                                       |                         7

5                                       |                        0

6                                       |                        0

7                                       |                         1

We are asked to estimate the mean number of rocket hits in the region.

The mean or expected value is given by

\mu = \sum (x \cdot P(x)) \\\\\mu = (0 \cdot 228) + (1 \cdot 214) + (2 \cdot 94) + (3 \cdot 32) + (4 \cdot 7) + (5 \cdot 0) + (6 \cdot 0) + (7 \cdot 1) \\\\\mu = 0 + 214 +188+ 96 +28 +0+ 0 + 7 \\\\\mu = 533

Therefore, the mean number of rockets hits in the region is 533.

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