If James rolls the number cube 250 times, predict the number of times it will land on an odd number

The correct answer is 125 times.

Step-by-step explanation:

Let's recall the formula of the probability:

Probability = Number of favorable outcomes/Total number of possible outcomes, therefore:

Probability of rolling a number cube and landing on an odd number = 3/6 = 1/2 because 1, 3 and 5 are the odd numbers out of 6 in a number cube.

It means that if we roll the cube, we have 50% of probability of landing on an odd number, in consequence:

If we roll the number cube 250 times, the number of times it will land an odd number is:

250 * 50% = 250 * 0.5 = 125

The correct answer is 125 times.

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step-by-step explanation:

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step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

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factorizing, we get that:

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then, the solutions are: or

nothing extraneous has been found!