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grandymaker [24]
3 years ago
9

Is y=9-x proportional?

Mathematics
1 answer:
nekit [7.7K]3 years ago
8 0
Yes it’s proportional
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Answer: D. The dotplot is closer to approximately normal than the distribution of the population with mean $150 and standard deviation $10.

Step-by-step explanation:

Based on the dotplot created from the 100 sample, the dotplot is closer to approximately normal than the distribution of the population with mean $150 and standard deviation $10.

The mean of the sampling distribution is just exactly like the population mean. On the other hand, the standard deviation will be: = 50/✓25 = 50/5 = 10

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A ratio of the number of boys to the number of girls in a choir is 5 to 4. There are 60 girls in the choir
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