3 years ago

What Is the smallest number to be added to 322 to make it divisible by 3?

Mathematics

1 answer:

Lisa [10]3 years ago

4 0

I’m pretty sure that it is 4

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23.58-th

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The standard deviation of company B's profit is:

$\sigma_B=\sqrt{2.25}\sigma_A$

Let X be the profit correspondent to the 14th percentile of company A's profit.

The z-score for 14th percentile of a normal distribution is roughly -1.08.

The z-scores for X in companies A and B are:

$-1.08 = \frac{X-\mu}{\sigma_a} \\z_B = \frac{X-\mu}{\sqrt{2.25}*\sigma_a}\\z_B=\frac{-1.08}{\sqrt{2.25}}\\z_B = -0.72$

The z-score for X in company B's profit distribution is -0.72, which corresponds to the 23.58-th percentile.

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2 years ago

What Is the smallest number to be added to 322 to make it divisible by 3?​

What Is the smallest number to be added to 322 to make it divisible by 3?