Results from a survey five years ago asking where coffee drinkers typically drink their first cup of coffee are shown in the table below column A. To determine whether this distribution has changed, you randomly select 550 coffee drinkers and ask each where they typically drink their first cup of coffee. The results are listed in the table below column B.

Where

A

Coffee in the morning

B

Survey Results

At home

68%

340

While commuting

10%

100

Restaurant/coffee bar/other

4%

60

At workplace

18%

50

Can you conclude that there has been a change in the claimed or expected distribution?

Use = 0.05. Use the traditional method of testing hypotheses.