The probability that an individual has 20-20 vision is 0.15 0.15. in a class of 49 49 students, what is the probability of fin

Question

2 years ago

11

ding five people with 20-20 vision?

1 answer:

Lelu [443] · Answer 1 · 2022-07-17T15:29:51+03:00

Lelu [443]2 years ago

3 0

Answer: This is a Binomial problem where, n=49, p=0.15 and x=5

Therefore,

P(x=5) = $nCx P^{x} (1-p)^{n-x}$

= $49C5 (0.15)^{5} (1-0.15^{49-5}$

= 0.1135

The probability that an individual has​ 20-20 vision is 0.15 0.15. in a class of 49 49 ​students, what is the probability of fin