From the survey 16 people of the 20 people surveyed said they were excited. The probability the 10 people were excited with replacement is

Question

asked Jun 27, 2024 40.5k views

1 Answer

Nilly · Answer 1 · 2024-07-03T07:25:13+0000

Answer:

0.002

Explanation:

Use the Binomial Probability Formula

$P(X=x)=C(n,x)p^xq^(n-x)\\\\P(X=10)=C(20,10)((16)/(20))^(10)((4)/(20))^(20-10)\approx0.002$

Note that
and
are the probabilities of success and failure respectively