True or False Circle only one response. a) T/F It is possible for the sum of pro

Question

True or False Circle only one response. a) T/F It is possible for the sum of probabilities for all the sample points of a sample space to be less than one. b) T/F A binomial experiment always has at least three possible outcomes for each trial. c) T/F If the random variable z is the standard normal score, the mean of the distribution of z is 0. d) T/F The Central Limit Theorem states that if all possible random samples of size n are taken from any population, the sampling distribution of sample means becomes approximately normal when the sample size n is large enough. 5) T/F As the sample size increases, the standard error of the mean sigma_x either remains he same or increases.

Explanation / Answer

A. False as sum of all the sample points of a sample space is equal to 1.

B. False binomil distribution has only two outcomes

C. False mean is1 and sd becomes 0

D. True, its correct central limit theorem

E. False, It will decrease as in standard error is sd/sqrt(n) so n increases this value decreases

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