bloop3r
16.08.2019 •
Mathematics
What is the probability of rolling a prime number of a standard 20 sided die? (1 is not a prime number)
7/20
b 215
9/20
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Ответ:
2/5.
Step-by-step explanation:
The prime numbers from 1 to 20 are 2, 3, 5, 7, 11, 13, 17 and 19.
A total of 8.
So the probability of rolling a prime number is 8/20
= 2/5.
Ответ:
no
Step-by-step explanation:
it's two