Question

At a coffee shop, the first 100 customers'
orders were as follows.
Small Medium Large
Hot
5
48
22
Cold
8
12
5
What is the probability that a customer ordered
a cold drink given that he or she ordered a large?
Rounded to the nearest percent, [? ]%

Answer 1

Answer:

Percentage = 6.8% or 7%

Explanation

cold = 25/100  

Large = 27/100

large multiplied by cold = (25/100 x 27/100) / 25 x 27 =  0.0675 x 100

= 6.75%

Percentage = 7 %

or 6.8 % to 1dp