Question: a. Show that the following is a probability distribution: b. Find P(x 1). c. Find P(x 2). d. Find P(x 2). e. Find the mean

a. Show that the following is a probability distribution:

X 1 3 4 5 P(x) 0.2 0.3 0.4 0.1

b. Find P(x 1).

c. Find P(x 2).

d. Find P(x 2).

e. Find the mean of x.

f. Find the standard deviation of x.

X 1 3 4 5 P(x) 0.2 0.3 0.4 0.1

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