The probability of getting at least one head when two balance coins are tossed once __________________?

In a Poisson probability distribution __________________?

A. The mean and variance of the distribution are same (equal)

B. The probability of success is always greater than 5

C. The number of trials is always less than 5

D. it always contains a contingency table

Which of the following is not a correct statement about a Probability _________________?

A. It must have a value between 0 and 1

B. It can be reported as a decimal or a fraction

C. A value near 0 means that the event is not likely to occur/happens

D. It is the collection of several experiment

The special rule of multiplication of probability, the events must be ______________?

A. Independent

B. Mutually exclusive

C. Bayesian

D. Empirical

if you roll a pair of dice, what is the probability that (at least) one of the dice is a 4 or the sum of the dice is 7 ?

A. 4/36

B. 13/36

C. 21/36

D. 15/36

If the occurrence of one event means that another cannot happen, then the events are _______________?

A. Independent

B. Mutually Exclusive

C. Bayesian

D. Empirical