Question

6. Manager of a hotel from his past experience knows that 75% of customers order tea, 20 % order coffee and 5 % milk. After long period of time, in a random sample of 500 customers, 400 ordered tea, 90 ordered coffee and 10 ordered milk. Should the manager conclude that drinking habits of customers have changed over period of time

Answer 1

Answer:

Yes, He should think so.

Explanation:

According to Percentages,

The new Statistics of customer choices are,

# Tea. -400/500 ~ 80%

# Coffee- 90/500 ~ 18%

# Milk -. 10/500 ~ 2%