MAT 540 MAT540 Week 3 Quiz

MAT 540 Week 3 Quiz

1. Match the proposed probability of A with the appropriate verbal description
2. A letter is chosen at random from the word "CAROL". What is the probability that it is a vowel?
3. Fifteen persons reporting to a Red Cross center one day are typed for blood, and the following counts are found:
4. For two events A and B, the following probabilities are given.
   
   Use the appropriate laws of probability to calculate:
5. For two events A and B, the following probabilities are given. 
6. P(A) = 0.5, P(B) = 0.15, P(A | B) = 0.8 
7. Use the appropriate laws of probability to calculate P(A ∪ B) .
8. 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?
9. 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?
10. In given case, find the probability of x successes in n Bernoulli trials with success probability p for each trial.
11. 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. 
12.  
13. Round to four decimal places.
14. Match the proposed probability of A with the appropriate verbal description.