Question

Johan rolls a number cube 12 times. What is the best prediction for the number of times he will roll a number that is odd and less than 5?

A. 2
B. 3
C. 4
D. 6

Answer 1

The best prediction for the number of times Johan will roll an odd number less than 5 can be found by multiplying the probability by the number of rolls: (1/2) x 12 = 6.

Step-by-step explanation:

To find the best prediction for the number of times Johan will roll a number that is odd and less than 5, we need to calculate the probability of rolling such a number and multiply it by the number of times the cube is rolled.

There are three odd numbers less than 5: 1, 3, and 5. So, the probability of rolling an odd number less than 5 in a single roll is 3/6 or 1/2.

The best prediction for the number of times Johan will roll an odd number less than 5 can be found by multiplying the probability by the number of rolls: (1/2) x 12 = 6.

Therefore, the best prediction is 6 times.