Thursday

July 24, 2014

July 24, 2014

Posted by **MIA** on Wednesday, July 24, 2013 at 12:02am.

- STATISTICS -
**Graham**, Wednesday, July 24, 2013 at 4:29amHint: It's the complement of the probability that none of them is among that group.

Let En be the indexed event that the nth person selected is not one of the three oldest.

1 - P(E1) P(E2|E1) P(E3|E1 and E2)

= 1 - (9/12) (8/11) (7/10)

= 0.61818....

**Related Questions**

STATISTICS - From a group of 12 people, you randomly select 3 of them. Find the ...

math - 2) In a certain instant lottery game, the chances of a win stated as "3 ...

statistics - In a region, 90% of the population have brown eyes. If 15 people ...

statistics - Data shows that 88% of the people in a certain population are right...

math - Find the probability of at least one birthday match among a group of 48 ...

Statistics - *Give all probabilities to two decimal places. Three daily ...

statistics math - The unemployment rate is 5.8% (Bureau of Labor Statistics, ...

statistics - A group of applicants for a position consists of 8 people who are ...

Statistics - According to a survey, 21% of residents in a country over age 25 ...

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