3 years ago

12 y − 18 6 = 4 y + 3 12 y - 18 6 = 4 y + 3

Mathematics

1 answer:

Burka [1]3 years ago

3 0

Step-by-step explanation:

I didn't understood thr question and I'm pretty sure that u made a mistake while writing it

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Sixteen college freshmen were asked to record the number of alcoholic drinks they typically consume in a week. Here are their da

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Solution: The correct option is d. 8.75

<u>Explanation:</u>

The formula for variance is:

$Variance =\frac{\sum(x-\bar{x})^{2}}{n}$

First we need to find the mean $\bar{x}$ of the given data:

$\bar{x}=\frac{2+4+6+0+1+10+9+0+6+3+6+8+5+4+6+2}{16}=\frac{72}{16} =4.5$

Now let's find $\sum(x-\bar{x})^{2}$ , please have a look at the attached picture:

$\therefore Variance = \frac{140}{16}=8.75$

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What is the probability that a student chosen randomly from the class does not have a cat

Bas_tet [7]

Answer:

20/27 or 0.74

Step-by-step explanation:

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Total number of people that don't have a cat is: 6+14 = 20

20/27 = 0.74

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nika2105 [10]

Answer:

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Step-by-step explanation:

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