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mrmendrala
24.06.2019 •
Mathematics
If you rolled a number cube 100 times, how many times would you expect to get an even number? a.25 b.75 c.50 d.38
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Ответ:
C.50
Step-by-step explanation:
One a dice there are 3 even numbers (2,4,6) and 3 odd numbers (1,3,5)
P(even) = even numbers/ totals
=3/(3+3)
=3/6
= 1/2
Out of 100 times, take the number of times rolled multiplied by the probability
100 * 1/2 = 50
Ответ:
Step-by-step explanation:
the correct answer is B on Edgen. :)