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31 August, 12:42

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

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  1. 31 August, 15:23
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    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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