Henry rolls a fair dice 42 times.
How many times would Henry expect to roll an odd number?

You should get 21 odds

Step-by-step explanation:

There are 6 possible outcomes on a fair die

1,2,3,4,5,6

3 of the outcomes are odd

1,3,5

P(odd) =  odd outcomes/ total = 3/6 =1/2

Rolling 42 times

number of times * P(odd)

42*1/2 = 21

You should get 21 odds

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