Statistics homework question

Posted on 2014-04-14 05:58:00 in Statistics by J

Need help. Best explanation and answer gets the 10 points.



1. A golf ball is selected at random from a golf bag. If the golf bag contains 5 brown balls, 2 red balls, and 8 yellow balls, find the probability of the following event.

The gold ball selected is brown or red.



According to a survey, the probability that a randomly selected worker primarily drives a car to work is 0.869. The probability that a randomly selected worker primarily takes public transportation to work is 0.045. What is the probability that a randomly selected worker primarily takes public transportation or drives a car to work?







12. Using the information in #11, what is the probability that a randomly selected worker primarily neither drives a car nor takes public transportation to work?





13. Using the information in #11, what is the probability that a randomly selected worker primarily does not drive a car to work?





14. Using the information in #11, can the probability that a randomly selected worker primarily walks to work equal 0.15? Why or why not?

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