Answer:
Total number of donor who will give first $ 100 = 100 people
Step-by-step explanation:
Given that:
Total percentage of people who donate when contact by phone 20%
Percentage of donating people who will give $100 or more = 5% = 0.05
Total number of donor who will give first $ 100 can be calculated as
calculate the percentage of donor who will give first $ 100
[tex]P(X) = 0.05\times 0.20 = 0.01\ percent[/tex]
[tex]\mu_x = \frac{1}{0.01}[/tex]
so, total number of the donor who will give first $ 100 = 100 people
