Tuesday

September 30, 2014

September 30, 2014

Posted by **Matt** on Sunday, May 13, 2012 at 6:58pm.

- MATH -
**Reiny**, Sunday, May 13, 2012 at 9:35pmprob(voting) = .57

prob(not voting) = .43

prob(2 of 5 voted)

= C(5,2) (.57)^2 (.43)^3

= .2583

- MATH -
**MathMate**, Sunday, May 13, 2012 at 9:36pmp=probability of voting

q=(1-p)=probability of not voting.

Out of 5 adults randomly selected, the probability that exactly 2 voted is calculated according to the binomial expansion,

C(5,2)p^2q^3

=(5!/(2!3!))*0.57^2*0.43^3

=0.258 (approx.)

**Answer this Question**

**Related Questions**

math - The probability that a voting-age adult in 2004 voted in the presidential...

statistics - the probability that a voting-age adult in 2008 voted in the ...

MATH - IN LOCAL TOWNS 4/5 OF THE VOTING AGE POPULATION IS REGISTRED TO VOTE 11/...

Math 1330 - In a survey of 1000 eligible voters selected at random, it was found...

statistics - According to the Smart magazine, 70% of smokers started smoking ...

Statistics - In a survey of 1233 people, 917 people said they voted in a recent ...

mathmath - A study conducted by the Metro Housing Agency in a midwestern city ...

mATH - First graders who misbehave in school may be more likely to be regular ...

statistics - First graders who misbehave in school may be more likely to be ...

Quantitative Analysis for Business - The ages of a group of 50 women are ...