The table below gives information on whether a speeding ticket had been received
ID: 3179625 • Letter: T
Question
The table below gives information on whether a speeding ticket had been received in the past year for 102 teenagers and 305 adults. Use this information to answer the probability questions below. a. If a person is randomly selected, what is the probability that they have NOT received a speeding ticket in the past year? b. Given that the person selected is an adult, what is the probability that they didn't receive a speeding ticket? c. If a person is randomly selected, what is the probability that they are a teenager and received a speeding ticket in the past year?Explanation / Answer
A) P(have not received a speeding ticket in the past year) = no of people who havent received a speeding ticket in the past year/total number of people
= 114/407 = 0.28
B) P(did not receive a speeding ticket | person is an adult)
= number of adults who did not receive a speeding ticket/ total no of adults
= 76/305 = 0.249
C) P(a teenager and received a speeding ticket in the past year) = 64/407 = 0.157
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