A telemarketer’s computer selects phone numbers at random. The telemarketer has recorded the number of respondents in each age bracket for one evening in the following table. What is the probability that the next respondent will be between 18
and 35
? Enter a fraction or round your answer to 4
decimal places, if necessary.
Number of Respondents by Age
Under 18
18-25
26-35
36-45
Over 45
20
29
36
56
53
The total number of respondents is 20 + 29 + 36 + 56 + 53 = 194.
The number of respondents between 18 and 35 is 29 + 36 = 65.
Therefore, the probability that the next respondent will be between 18 and 35 is 65/194 ≈ 0.3351.