Answer:
Step-by-step explanation:
Number of males who exclusively drink coffee: 21.
Total number of people: 100
P(MdC) = 21/100 * 100% = 21%
Given data
1. The mean

2. The median

3. The sample standard deviation
No, it is a linear function.
Step-by-step explanation:
step 1. a polynomial must have whole non negative exponents
step 2. A, B, D have negative exponents
step 3. C is a polynomial.