Answer:The total probability that a random person has an accident in the given year is
.8×.01+.2×.04=0.016
The portion of that which is explained by careful drivers is .8×.01=.08. Thus the answer is
.8×.01.8×.01+.2×.04=.5
Thus it is equally likely that your accident victim was careful or careless.
Speaking informally, that's because, while it's four times more likely that a randomly selected driver is careful, it is one fourth as likely that a careful driver will have an accident, and the two
Step-by-step explanation:
Answer:
153.846153846
Step-by-step explanation:
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Answer:
$13.50
Step-by-step explanation:
To find Lucas's profit, subtract the cost from his total gain.
Lucas bought 6 packs for $4 each.
6 * $4 = $24
His cost is $24.
In each of the 6 packs, there were 25 pens.
6 * 25 = 150 total pens
Lucas sold each pen for $0.25
150 * $0.25 = $37.50
$37.50 - $24 = $13.50
