SOLUTION: In a room inside are 10 people whose ages are:
5, 5, 6, 6, 20, 21, 21, 22, 28, 31.
Choose one of these people at random. What is the average (expectation value) age of the pe
Algebra.Com
Question 732652: In a room inside are 10 people whose ages are:
5, 5, 6, 6, 20, 21, 21, 22, 28, 31.
Choose one of these people at random. What is the average (expectation value) age of the person you choose?
can i have some help here?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Add all the given ages and divide by 10.
John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
RELATED QUESTIONS
A survey asked people how many phone numbers they have stored in their cell phone. The... (answered by stanbon)
1) There are 10 people in the room. 6 are male and 4 are female. 5 of them have been... (answered by stanbon)
in a group of 21 people, seven own an ITouch phone. If 9 people are selected at random... (answered by stanbon)
The chart below shows the result of a survey taken of one section of an arena at a... (answered by rfer)
2) The type of people watching a film at a cinema is shown in the table.... (answered by stanbon)
There are 7 men and 3 women in a room. Two of these 10 people are selected at random. If... (answered by Theo)
4. Consider the following contingency table:
Under 20 21-30 31-40
Male 12... (answered by oscargut)
4. Consider the following contingency table:
Under 20 21-30 31-40
Male 12 (answered by solver91311)
1. Which of the following values is NOT equal to 34(58+9)?
A. 34 x 67
B. 58(34+9)
C.... (answered by Fombitz)