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3 years ago

Twelve friends shares 4 pizzas equally. what fraction of pizza does each friend ?

Mathematics

1 answer:

Genrish500 [490]3 years ago

3 0

33.33% or 1/3. You can imagine it as 3 friends sharing one pizza

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HELP ME PLEASEE

babymother [125]

From the given discrete distribution, we have that:

$\mu = 2.13, \sigma^2 = 0.61, \sigma = 0.78$

<h3>What are the mean, the variance and the standard deviation of a discrete distribution?</h3>

The mean of a discrete distribution is given by the sum of each outcome multiplied by it's respective probability.

The variance is given by the sum of the difference squared between each observation and the mean, divided by the number of values.

The standard deviation is the square root of the variance.

In this problem, the distribution is:

$P(X = 1) = \frac{2}{8}$

$P(X = 2) = \frac{3}{8}$

$P(X = 3) = \frac{3}{8}$

Hence, the mean is:

$\mu = 1\frac{2}{8} + 2\frac{3}{8} + 3\frac{3}{8} = \frac{17}{8} = 2.13$

The variance is:

$\sigma^2 = (1-2.13)^2\frac{2}{8} + (2-2.13)^2\frac{3}{8} + (3-2.13)^2\frac{3}{8} = 0.61$

The standard deviation is:

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More can be learned about discrete distributions at brainly.com/question/24855677

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2 years ago

Avocado farmers use the percent of dry matter, the matter left after dehydration, from sample avocados in their orchards to dete

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That would be (1.8 / 10) * 100

= 0.18 * 100

= 18% answer

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