# MAT 540 MAT540 Week 3 Quiz

MAT 540 Week 3 Quiz

- Match the proposed probability of
*A*with the appropriate verbal description - A letter is chosen at random from the word "CAROL". What is the probability that it is a vowel?
- Fifteen persons reporting to a Red Cross center one day are typed for blood, and the following counts are found:
- For two events
*A*and*B*, the following probabilities are given.

Use the appropriate laws of probability to calculate: - For two events
*A*and*B*, the following probabilities are given.Â -
*P*(*A*) = 0.5,*P*(*B*) = 0.15,*P*(*A*|*B*) = 0.8Â - Use the appropriate laws of probability to calculate
*P*(*A*âˆª*B*) . - Of 11 available candidates for membership in a university committee, 6 are men and 5 are women. The committee is to consist of 4 persons. How many different selections of the committee are possible?
- Of 11 available candidates for membership in a university committee, 6 are men and 5 are women. The committee is to consist of 4 persons. How many different selections of the committee are possible?
- In given case, find the probability of
*x*successes in*n*Bernoulli trials with success probability*p*for each trial. - About 71% of dog owners buy holiday presents for their dogs. Suppose
*n*= 4 dog owners are randomly selected. Find the probability that three or more buy their dog holiday presents.Â - Â
- Round to four decimal places.
- Match the proposed probability of
*A*with the appropriate verbal description.Â