Question 625585: 4. For two events A and B, the following probabilities are given.
Use the appropriate laws of probability to calculate:
P(A) = 0.4, P(B) = 0.25, P(A | B) = 0.8 (Points : 1)
( ) 0.25
( ) 0.5
( ) 0.6
( ) 1.0
5. For two events A and B, the following probabilities are given.
P(A) = 0.4, P(B) = 0.25, P(A | B) = 0.6
Use the appropriate laws of probability to calculate P(A ∪ B) . (Points : 1)
( ) 0.45
( ) 0.50
( ) 0.44
( ) 0.73
6. Of 10 available candidates for membership in a university committee, 5 are men and 5 are women. The committee is to consist of 4 persons. How many different selections of the committee are possible? (Points : 1)
( ) 210
( ) 250
( ) 400
( ) 350
7. Of 12 available candidates for membership in a university committee, six are men and six are women. The committee is to consist of four persons. How many selections are possible if the committee must have two men and two women? (Points : 1)
( ) 175
( ) 444
( ) 225
( ) 150
8. In given case, find the probability of x successes in n Bernoulli trials with success probability p for each trial.
X=4 n=5 p=.55
Round your answers to three decimal places. The probability is: (Points : 1)
( ) 0.444
( ) 0.333
( ) 0.206
( ) 0.521
9. 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.
Round to four decimal places. (Points : 1)
( ) 0.7321
( ) 0.6867
( ) 0.6693
( ) 0.8934
10. Match the proposed probability of A with the appropriate verbal description.
(Points : 1)
( ) Very likely to happen
( ) As much chance of occurring as not
( ) No chance of happening
( ) An incorrect assignment
Answer by lynnlo(4176)   (Show Source):
You can put this solution on YOUR website! you want someone to do all your homework,in this case you want know how to do it when you have a test ,try some of these problems yourself
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