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liberstina [14]

2 years ago

9

A map of a rectangular park has a length of 4 inches and a width of 6 inches. Ir uses a scale of 1 inch for every 10 miles. What

is the area of the park? Is tthe answer 2,400 miles?

1 answer:

mr Goodwill [35]2 years ago

5 0

Answer:

yes, your answer would be 2400

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The Ohio Department of Agriculture tested 203 fuel samples across the state in 1999 for accuracy of the reported octane level. F

OlgaM077 [116]

Answer:

The Sample size is 1918.89035

Step-by-step explanation:

Consider the provided information.

It is given that 14 out of 105 samples failed.

Therefore p = 14/105 = 0.13 3... and q=1-0.133=0.867

Samples would be needed to create a 99 percent confidence interval.

Subtract the confidence level from 1, then divide by two.

$\frac{(1 -0.99)}{2}=0.005$

By standard normal table z=2.5758≈2.58

Calculate the sample size as:

$n=\frac{z^2pq}{e^2}$

Where, e is the margin of error,

Substitute the respective values.

$n=\frac{(2.58)^2(0.133)(0.867)}{(0.02)^2}=1918.89$

Hence, the Sample size is 1918.89035

4 0

2 years ago

If you sleep 33% of the year, how many months do you spend sleeping?

Oksanka [162]

Answer:

3.96 months

Step-by-step explanation:

12 months in a year

12 * 33%= 3.96 months

4 0

2 years ago

What is 5(-2/3)? And how did you get it?

babunello [35]

Multiply 5 and -2. Then divide by 3.

-10/3 = -3.33333333

This can be rounded to -3.3

Hope this helps!

4 0

2 years ago

Sidney surveyed 14 students at her school about their favorite classes. Of the students surveyed, 8 said their favorite class wa

kakasveta [241]

Answer:

4/7

Step-by-step explanation:

8/14=4/7

5 0

2 years ago

What is the volume in cubic inches of the concrete used to create this stairway?

BARSIC [14]

the answer is 192 i did this test and got 192

5 0

3 years ago