27. Calculating the probability of an outcome is usefiul in the following excent

Question

27. Calculating the probability of an outcome is usefiul in the following excent a. predicting a future outcome b. relative frequency c. inferential statistics d. descriptive statistics 28. If the probability of an event is 30, that means the event has a 30% chance of not occurring b, a, the complement ofthe event has a 30% chance of occurring the event has a 70% chance of not occurring c, the complement ofthe event has a 70% chance of not occurring 29. When applying the special rule of addition for mutually exclusive events, the joint probability is a. c. 0 d. unknown 30. An area of a normal probability distribution represents a permutation b. a. a combination c. a likelihood d. a shaded area An automobile dealership manager is contemplating the placement of a series of new vehicles in the descending order of most expensive to least expensive. The most expensive vehicles will greet potential customers as they enter the front doors of the dealership and will decrease in retail price as customers make their way down the large showroom area to the waiting, lounge, and maintenance areas. This particular vehicle franchise sells five products of American-produced vehicles. The number of possible arrangements of theses new vehicles is best described mathematically as a a. combination b. permutation c. multiplication counting technique d. binomial probability distribution 31. In which of the following distributions does the probability of a success remain the same from one trial to another trial? a. uniform b. binomial c. Poisson d. all of the above 32.

Explanation / Answer

Please post 1 question per post, as per forum rules.

Here' answer to Q30:

Q30. Area of a nomrality prob distributon represents:

a. likelihood - A liklihood is basically a probability of an event to happen. We can model this using the normal
probability distribution function

Answer is a.

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