Coffeehouse survey. A Mintel report on coffeehouses asked consumers if they were spending more time in coffeehouses. The table below gives the responses classified by age:

a) What is the probability that a randomly selected respondent is spending more time at coffeehouses and donut shops this year than last year?

b) What is the probability that the person is younger than 25 years old?

c) What is the probability that the person is younger than 25 years old and is spending more time at coffeehouses and donut shops compared to last year?

d) What is the probability that the person is younger than 25 years old or is spending more time at coffeehouses and donut shops compared to last year?

Age 18–24 25–34 35–44 45–54 55–64 65 Total I am spending less time at coffeehouses and donut shops this year than last year. 78 93 102 104 68 48 493 I am spending about the same time at coffeehouses and donut shops this year as last year.
82 109 106 89 75 67 528 I am spending more time at coffeehouses and donut shops this year than last year.
30 30 18 19 11 6 114 Total 190 232 226 212 154 121 1135