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IrinaK [193]
3 years ago
6

Part C

Mathematics
1 answer:
alisha [4.7K]3 years ago
8 0

Answer:

You have it

Step-by-step explanation:

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Step-by-step explanation:

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An entrepreneur is considering the purchase of a coin-operated laundry. The current owner claims that over the past 5 years, the
notsponge [240]

Answer:

We conclude that the daily average revenue was actually $675.

Step-by-step explanation:

We are given that the  current owner claims that over the past 5 years, the average daily revenue was $675 with a standard deviation of $75.

A sample of 30 days reveals a daily average revenue of $625.

<u><em>Let </em></u>\mu<u><em> = daily average revenue.</em></u>

So, Null Hypothesis, H_0 : \mu = $675     {means that the daily average revenue was $675}

Alternate Hypothesis, H_A : \mu \neq $675     {means that the daily average revenue was different from $675}

The test statistics that would be used here <u>One-sample z test statistics</u> as we know about the population standard deviation;

                       T.S. =  \frac{\bar X-\mu}{\frac{\sigma}{\sqrt{n} } }  ~ N(0,1)

where, \bar X = sample daily average revenue = $625

            \sigma = population standard deviation = $75

            n = sample of days = 30

Since, we are given that we have decided not to reject the null hypothesis which leads us to the conclusion that the daily average revenue was actually $675.

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Step-by-step explanation:

I set up my table and solved it I can teach you if you would like

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Answer:

2.Relationships

Step-by-step explanation:

Linear means straight and a graph is a diagram which shows a connection or relation between two or more quantity. So, the linear graph is nothing but a straight line or straight graph which is drawn on a plane connecting the points on x and y coordinates.

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