j015
31.03.2021 •
Mathematics
Gerard's bus was late 2 times in the past 20 days. Based on this information, what is the probability that Gerard's bus is late the next two mornings in a row?
A: 1/100
B:1/5
C: 1/10
D :1/50
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Ответ:
8 + 64x + 8x - 88 < -8x <=>
-80 + 72x < - 8x <=>
80x < 8 <=>
x < 8 / 80 <=>
x < 0.1<=>
x ∈( -oo, 0.1 )