Assume that when adults with smartphones are randomly​

Answered question

2022-04-30

Assume that when adults with smartphones are randomly​ selected,

54​%

use them in meetings or classes. If

5

adult smartphone users are randomly​ selected, find the probability that exactly

3

of them use their smartphones in meetings or classes.

Answer & Explanation

star233

star233

Skilled2022-05-14Added 403 answers

P(Smartphones)=0.54

n=5

P(x=k)= nCkPk(1-P)n-k;       k=0, 1, 2,...n

P(x=3)= 5C3(0.54)3(0.46)2

=10(0.54)3(0.46)2

=10×0.1575×0.2116

=0.3333

Do you have a similar question?

Recalculate according to your conditions!

New Questions in High school statistics

Ask your question.
Get an expert answer.

Let our experts help you. Answer in as fast as 15 minutes.

Didn't find what you were looking for?