Posted by Antonio on Monday, April 16, 2012 at 3:54pm.
At a political rally there are 20 republicians 13 democrates 6 independents. if a person is chosen at random what is the probability that the person is either a democrate or and independent?

Math Probability  MathMate, Monday, April 16, 2012 at 7:29pm
"at random" means all choices have equal probability.
Sample space = 20+13+6=39
There are 13 democrates and 6 independents for a total of 19.
What is the probability?

Math Probability  Antonio, Monday, April 16, 2012 at 10:59pm
19/39

Math Probability  MathMate, Tuesday, April 17, 2012 at 6:58am
Correct!

Math Probability  Kathy, Tuesday, April 17, 2012 at 7:35pm
it would be 19 over 39. Good luck~!:)
Answer This Question
Related Questions
 math  At a political rally there are 20 republicians, 13 democrates, 6 ...
 statistic****help*****  Show all your work. Indicate clearly the methods you ...
 STATISTIC***HELP  Show all your work. Indicate clearly the methods you use ...
 probability  Suppose 1 person is picked at random from this group of dog owners...
 math  I was given a table that showed a simple random sample of adults' age and...
 math (ms sue)  Suppose that one voter in the 2010 UK General Election was ...
 conditional probability  Among a group of people, 10% are from NYC and 90% are ...
 Probability  Among a group of people, 10% are from NYC and 90% are not. All ...
 Math  At Chaniel's school, one cafeteria helper is chosen from each class by a ...
 Statistics  *Give all probabilities to two decimal places. Three daily ...
More Related Questions