Enter the equivalent distance in km in the box.
2 answers:
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Answer:
Step-by-step explanation:
Given
4 - 10
+ 7
( add the coefficients of the terms )
= (4 - 10 + 7)
= 1
=
The probabilities of knocking down zero, one, and two pins are 
and 
, respectively. The total probability of knocking down at most two is thus 
, or 
.