In: Math
The table below lists a random sample of 53 speeding tickets on
I-25 in Colorado.
0-10 mph over limit | 10-20 mph over limit | More than 20 mph over limit | Total | |
Male | 8 | 15 | 13 | 36 |
Female | 5 | 9 | 3 | 17 |
Total | 13 | 24 | 16 | 53 |
(Note: PLease enter your answer as a decimal number , NO
FRACTIONS)
a) If a random ticket was selected, what would be the probability
that the driver was female?
b) Given that a particular ticket had a male offender, what is the
probability that they were more than 20 mph over the limit?
c) Given that a particular ticket was 10-20 mph over the limit,
what is the probability that the driver was female?
d) If a random ticket was selected, what would be the probability
that the driver was a male?
e) If a random ticket was selected, what would be the probability
that the driver is a female and driving 10-20 mph over the
limit?
f) If a random ticket was selected, what would be the probability
that the driver is a female or driving 0-10 mph over the limit?
B. The Wilson family was one of the first to come to the U.S.
They had 8 children. Assuming that the probability of a child being
a girl is .5, find the probability that the Wilson family
had:
at least 7 girls?
at most 2 girls?