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3 years ago

6

the ratio of the number of adults to the number of students at the prom has to be 1:10 lat year there were 477 more students tha

n adults at the prom if the school is expecting the same attendance this year how many adults have to attend

1 answer:

maksim [4K]3 years ago

8 0

You would divide 10 into 477 to get 47.7, but you can't put 47.7 because you can't have a decimal. The answer is 47

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STatiana [176]

7x+2

Step-by-step explanation:

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gathmath

gathmathier6961

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2 years ago

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alina1380 [7]

Answer:

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Step-by-step explanation:

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3 years ago

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Answer:

Step-by-step explanation:

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2 years ago

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Answer:

Step 1

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First, compute t-critical value then find confidence interval.

The t critical value for the 90% confidence interval is,

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The t critical value for the 90% confidence interval is 1.711.

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The data represent amount.

A 90% confidence interval for the population mean is,

First, compute t-critical value then find confidence interval.

The t critical value for the 90% confidence interval is,

The sample size is small and two-tailed test. Look in the column headed and the row headed in the t distribution table by using degree of freedom is,

The t critical value for the 90% confidence interval is 1.711.

A 90% confidence interval for the population mean is .

It is reasonable to conclude that mean of the population is actually $55000 due to a 90% confidence intrerval for population mean is between $52461.23 and $57640.77 does include $55000.

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san4es73 [151]

Answer:

Step-by-step explanation:

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