aylineorozco836
29.01.2021 •
Mathematics
A deck of 20 cards is labeled 1 through 20. If a card is randomly drawn from the deck, what is the probability that the number drawn is even?
a:1/4
b:5/20
c:1/2
d:11/20
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Ответ:
Ответ:
The probability that a car chosen at random is red in percent is 28.6%.
Step-by-step explanation:
Let the total number of vehicles be 100. So that:
Of all the vehicles, 70% are cars = × 100
= 70
Therefore, 70 of the vehicles are cars and 30 are SUVs.
Of all the vehicles, 20% are red cars = × 100
= 20
Therefore, 20 of the cars are red and 50 had other colors.
Pr(a car chosen at random is red) =
=
= 0.285714
= 0.29
The probability of a car chosen at random in percent is;
= × 100
= 28.5714
= 28.6%
The probability that a car chosen at random is red in percent is 28.6%.