# Answer to Question #15550 in Statistics and Probability for carly

Question #15550

which of the following are continuous variables, and which are discrete?

a) speed of an airplane

b)age ofa college professor chosen at random

c) number of books in the college bookstore

d) weight of a football player chosen at random

e) number of lightening strikes in rocky mountain national park on a given day

a) speed of an airplane

b)age ofa college professor chosen at random

c) number of books in the college bookstore

d) weight of a football player chosen at random

e) number of lightening strikes in rocky mountain national park on a given day

Expert's answer

a). Speed of an airplane is continuous with discontinuities of the first kind (it can stop suddenly).

b). Discrete 'cause the ages of the college professors are integers.

c). Discrete 'cause the number of books in the bookstore is integer.

d). Discrete 'cause the set of weights of football players is numerable.

e). Discrete as a constant.

b). Discrete 'cause the ages of the college professors are integers.

c). Discrete 'cause the number of books in the bookstore is integer.

d). Discrete 'cause the set of weights of football players is numerable.

e). Discrete as a constant.

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