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3 years ago

10

How many boxes of oranges should I sell to get $180 if each box is 1 and 1/8 dollar profit

1 answer:

Kipish [7]3 years ago

8 0

That would be 180 / 1 1/8
= 180 / 9/8
= 180 * 8/9
= 20 * 8
= 160 boxes Answer

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Step-by-step explanation:

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3 years ago

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2 years ago

Find the sample size, n, needed to estimate the percentage of adults who have consulted fortune tellers. Use a 0.02 margin of er

Brrunno [24]

Answer: 2172

Step-by-step explanation:

Formula to find the sample size n , if the prior estimate of the population proportion(p) is known:

$n= p(1-p)(\dfrac{z^*}{E})^2$ , where E= margin of error and z* = Critical z-value.

Let p be the population proportion of adults have consulted fortune tellers.

As per given , we have

p= 0.20

E= 0.02

From z-table , the z-value corresponding to 98% confidence interval = z*=2.33

Then, the required sample size will be :

$n= 0.20(1-0.20)(\dfrac{2.33}{0.02})^2$

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3 years ago