Question

If the theoretical probability of rolling a “4” on a die is 1/6, predict how many times the outcome will be “4” if you roll the die 42 times. Roll the die 42 times. Did the number of times you rolled a “4” agree with the theoretical probability? Explain why this happened.

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Answer 1

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Step-by-step explanation:

$42\times\frac16=7$. So the expected number of times a $4$ occurs is $7$. But if your roll the dice $42$ times, the number of times a $4$ occurs may be not exactly $7$. But the number of occurrence $4$ is about $7$. The following graph is the probability, listed from $0$ to $12$ occurrence of $4$.