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anzhelika [568]
3 years ago
13

In a game the player wins if he rolls a 6 on a number cube. If the number cube is rolled 18 times, then what is a reasonable pre

diction for the number of unsuccessful rolls? Show work
Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
8 0

If the number cube is rolled 18 times, then the number of unsuccessful rolls = 90 unsuccessful rolls.

<u>Step-by-step explanation</u>:

<u>step 1</u>: A cube has six faces and each face is numbered from 1 to 6.

<u>step 2</u>: The win in the game requires the number 6, when a cube is rolled.

<u>step 3</u>: On rolling a cube, the outcomes are (1,2,3,4,5, and 6).

<u>step 4</u>: Out of these outcomes, 5 are unsuccessful rolls (1,2,3,4,5) and 1 is a successful roll (6).

<u>step 5</u>: If the cube is rolled 18 times,

then the number of unsuccessful rolls = 18 * 5 unsuccessful rolls

                                                                  = 90 unsuccessful rolls.

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Step-by-step explanation:

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<u>Answer:</u>

<u>Step-by-step explanation:</u>

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If we consider the measure of one of the unknown angles to be x°, we can set up the following equation:

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