The manager of a coffee shop recorded the number of customers who put vanilla creamer or chocolate creamer for one hour and classified them by age

Question

Vanilla | Chocolate
Age 18-30: 2. 6.
Age 31+: 4. 8.
What percentage of these customers put chocolate creamer in their coffee during this hour?

Answer 1

To find the percentage of customers who put chocolate creamer in their coffee, we first need to determine the total number of customers and the number of customers who selected chocolate creamer.

From the data provided:

• For Age 18-30:

  • Vanilla creamer: 2
  • Chocolate creamer: 6

• For Age 31+:

  • Vanilla creamer: 4
  • Chocolate creamer: 8

Now, we calculate the total number of customers:

Total customers = (Vanilla 18-30 + Chocolate 18-30) + (Vanilla 31+ + Chocolate 31+) = (2 + 6) + (4 + 8) = 8 + 12 = 20

Now, we find the total number of customers who put chocolate creamer:

Total chocolate creamer customers = Chocolate 18-30 + Chocolate 31+ = 6 + 8 = 14

Next, we calculate the percentage of customers who put chocolate creamer:

Percentage = (Number of chocolate creamer customers / Total number of customers) × 100 = (14 / 20) × 100 = 0.7 × 100 = 70%

Therefore, 70% of the customers put chocolate creamer in their coffee during that hour.