2 years ago

How do you calculate the mean and standard deviation for a discrete random variable?

1 answer:

8 0

Answer:

For a discrete random variable the standard deviation is calculated by summing the product of the square of the difference between the value of the random variable and the expected value, and the associated probability of the value of the random variable, taken over all of the values of the random variable, and finally

Step-by-step explanation:

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A jar contains 100 gum balls. There are 12 blue gum balls, 15 green gum balls, 37 red gum balls, and 36 yellow gum balls. What i

MissTica

Yellow gumballs = 36
Total = 100
$\frac{36}{100} = \frac{9}{25}$
The probability of randomly selecting a yellow gumball is
$\frac{9}{25}$
Hope this helps.

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3 years ago

Read 2 more answers

The perimeter of the quadrilateral ABCD is 105 inches.

Oliga [24]

Answer:

per letter like how much each letter is in incehs is 26.25 thats for each line/letter

Step-by-step explanation:

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3 years ago

The expression above can also be written in the form <br> So what is A =

nydimaria [60]

Answer:

what is the expressio

Step-by-step explanation:

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1 year ago

Write a number that changes to 122,000 when it is rounded. To what place was your number rounded

11111nata11111 [884]

121,940

My answer was rounded to the nearest thousandth

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4 years ago

3 Latrell made a large pizza. He ate 10 of the

nordsb [41]

Answer:

10 if there is an error in the question (and of the pizza for dinner.)

or 20

Step-by-step explanation:

Just add what he ate for lunch and dinner

It never said how he cut his pizzas. Also it never said if he finished it or not.

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3 years ago