Question
a specific brand name has an 80 recognition rate 10 people are randomly surveyed in an area to determine if the rate is valid. what is the probability that exactly 8 people recognize the brand?
The answer is 0.302 but how do you solve it?
The answer is 0.302 but how do you solve it?
Answers
Steve
There are 10C8 ways to choose the 8 people who recognize. So,
10C8 * .80^8 * 0.2^2
10C8 * .80^8 * 0.2^2
Steve 2.0
Yo I think that answer was wrong :skull: