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30-10-2020
Mathematics

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A standard number cube that is labeled 1 through 6 is rolled 150 times. What is a reasonable prediction for the number of times it will land on a 3 or a 4?

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Adetunmbiadekunle Adetunmbiadekunle

31-10-2020

Answer:

100 times

Step-by-step explanation:

Mathematically, the probability of getting a 3 or 4 is the probability of getting a 3 + probability of getting a 4

Probability of getting a 3 = number of 3/total number = 1/6

Probability of getting a 4 = number of 4/total number = 1/6

Thus, the probability of getting a 3 or 4 is 1/6 + 1/6 = 2/3

So the number of times will be probability multiply by number of rolls

= 2/3 * 150 = 100 times

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