rts a through f the data table Coffeehouse Survey Data Coffeehouse Survey 18 24

Question

rts a through f the data table Coffeehouse Survey Data Coffeehouse Survey 18 24 25-34 35-44 45-54 55-64 65+ Yrs AllYrs Old Yrs Old Yrs Old Yrs Old Yrs Old Old I am spending less time at coffeehouses and donut shops49080 75 this year than last year I am spending about the same time at coffeehouses and donut515 shops this year as last year I am spending more time at coffeehouses and donut shops 117 this year than last year Total 117 117 53 48 91 100 115 78 100 115 7864 67 28 35 16 19 12 1122 199 21024 214 129 122 PrintDone east 65 years old more) is equal to P(at least 65 years old) for example

Explanation / Answer

Ans:

a)P(18-24 and spending more time)=28/1122=0.025

b)P(not spending more time/18-24)=(80+91)/199=171/199=0.859

c)P(spends same time and between 35-44)=115/1122=0.102

d)P(+65/spends more time)=7/117=0.060

e)P(+65 and spends same time)=67/1122=0.060

f)Option C is correct.

P(+65)=122/1122=0.109 ,which is nt equal to probability in part d

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