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eraines1714
11.03.2021 •
Mathematics
I need help with A and B, any other ones you don't have to do (you can if you'd like to help me out XD) *15 points*
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Ответ:
Step-by-step explanation:
B) S = {1,2,3,4,5,6}
n(S) = 6
B = factors of 2 when rolling a single die = {1 , 2}
n(B) = 2
P(B} =![\frac{2}{6}=\frac{1}{3}](/tpl/images/2218/3787/2c69b.png)
A) n(S) = 50
A = Picking numbers with 3 in tens place = {30, 31,32,33,34,35,36,37,38,39}
n(A) = 10
P(A) =![\frac{10}{50}=\frac{1}{5}](/tpl/images/2218/3787/bee2a.png)
Ответ:
It will be either
-0.171 or -0.2