Homework Help: statistics

Posted by Jodi on Tuesday, October 12, 2010 at 11:29pm.

From a jar of marbles containg 4 blue marbles, 3 yellow marbles, 2 red marbles, and 1 magenta marble, you draw two marbles with replacement. Determine the following probablilites.
a. P( red then blue)
b. P(yellow and yellow)
c. P(red/yellow)
d. P(magneta/magenta)

statistics - PsyDAG, Wednesday, October 13, 2010 at 1:08pm
The probability of any one color = # of that color/total. The probability of both events occurring is found by multiplying the individual probabilities.

a. 2/10 * 4/10 = ?

Use these principles to answer the remaining questions.

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