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2 years ago

Some help will be nice, and I have some more questions to come!

Mathematics

2 answers:

Tju [1.3M]2 years ago

4 0

Answer:

30 inches

Step-by-step explanation:

Circumference = 2π * r

r = 4.75

Circumference = 2π * 4.75

Circumference = 6.2831 * 4.75

Circumference = 29.5305

If you round that answer the closest whole number it is 30 inches.

ira [324]2 years ago

3 0

It would be 30 inches. Hopes this helps.

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3 years ago

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Vitek1552 [10]

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Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

Solution to the problem

Let X the random variable that represent the average household spent of a population, and for this case we know the distribution for X is given by:

$X \sim N(185,25)$