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VladimirAG [237]
3 years ago
14

Your Teacher gives you a number cube with 1-6 faces. You are asked to state a theoretical probability model for rolling it once.

Your probability model shows a probable outcome of 1/6 for each of the numbers on the cube. 1 chance for all any of the 6 numbers. You roll it 500 times. If the equality model was correct about how many of each outcome would you expect to see if the cube is rolled 500 times?
Outcome- 1,2,3,4,5,6

Frequency- 77, 92,75,90,76,90
Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
3 0

Answer:

The answer to your question isabella is (33.33)

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There are 6 gray keys for every 11 black keys. Also, the number of black keys is 2 less than twice the number of gray keys. Use
emmainna [20.7K]

\text{ Answer: There are }12\text{ gray keys.}\\\\\text{ there are }22\text{ black keys.}

Explanation:

Since we have given that

There are 6 gray keys for every 11 black keys .

So, the ratio will be 6:11

Let the number of gray keys be 6x

Let the number of black keys be 11x

Now, according to question,

11x=2\times 2x-2\\\\11x=12x-2\\\\11x-12x=-2\\\\-x=-2\\\\x=2

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\text{ there are }6x=6\times 2=12\text{ gray keys.}\\\\\text{ there are }11x=11\times 2=22\text{ black keys.}

8 0
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6. A pitcher has 16 cups of water in it. During the day, Aditi drank 5⁄2 cups, Kavitha drank 15⁄4 cups, and Rahul drank 33⁄8 cup
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Answer:

A. Aditi 2 1/2 cups, Kavitha 3 3/4 cups, and Rahul 4 1/8 cups

Step-by-step explanation:

2*2=4 5-4=1      2 1/2

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