Free CSSBB Exam Braindumps

- (Topic 1)
Deming called the technique of studying a sample to gain understanding of the distribution of a population an “enumerative study.” His main objection to these studies was:

1. A. they are too difficult to perform correctly
2. B. they require extensive use of computers
3. C. they assume a stable distribution
4. D. random samples are expensive to obtain
5. E. these studies have a high probability of Type II error

Correct Answer: C

- (Topic 2)
Which value of x will minimize transmitted noise?

1. A. X1
2. B. X2
3. C. X3
4. D. X4

Correct Answer: C

- (Topic 1)
If the probability that event A occurs is .51, the probability that event B occurs is .64 and events A and B are statistically independent then:

1. A. A and B are mutually exclusive
2. B. the probability that both A and B occur is 0.3264
3. C. A and B can’t both occur
4. D. the probability that A occurs is 1-(probability that B occurs)
5. E. A and B have different standard deviations

Correct Answer: B

- (Topic 2)
Is this a left-tail, right-tail or two-tail test?

1. A. no
2. B. left-tail
3. C. right-tail
4. D. two-tail

Correct Answer: C

- (Topic 1)
If the probability that an event will occur is 0.83, then the probability that the event will not occur is:

1. A. 0.17
2. B. 0.07
3. C. 0.6889
4. D. 1.20
5. E. 83%

Correct Answer: A