1001. In a Binomial Distribution, the mean and variance are equal.
A. True
B. False

1002. The probability of success and failures in hypergeometric distribution C. True
B. False

1003. Consider selecting 6 cards from a pack of cards without replacement. What is the probability that 3 of the cards will be black?
A. 0.3320
B. 0.3240
C. 0.4320
D. 0.5430

1004. Suppose we draw eight cards from a pack of 52 cards. What is the probability of getting less than three spades?
A. 0.985
B. 0.785
C. 0.685
D. 0.585

1005. Find the Variance of a Hypergeometric Distribution such that the probability that a 3-trial hypergeometric experiment results in exactly 2 successes, when the population consists of 7 items.
A. 0.6212
B. 0.6612
C. 0.6112
D. 0.6122

1006. The trials conducted in Hypergeometric distribution are done without replacement of the drawn samples.
A. True
B. False

1007. Consider Nick draws 3 cards from a pack of 52 cards. What is the probability of getting no kings?
A. 0.8762
B. 0.7826
C. 0.8726
D. 0.7862

1008. The lowest significance level that results in rejecting the null hypothesis is known as
A. α value
B. p value
C. test statistic
D. confidence interval

1009. Which statistical test is used to compare group means in a sample?
A. Correlation
B. Regression
C. Covariance

1010. A hypothesis is a theory (or an assumption) based on
A. sufficient evidence
B. insufficient evidence
C. data
D. experimentation


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