Checkpoint 4.3.3. WeBWorK - Using the definition.

Suppose you select a letter at random from the word MISSISSIPPI.
The probability of selecting the letter M is
The probability of selecting the letter S is
The probability of selecting the letters P or I is
The probability of not selecting the letter I is
Hint.Answer 1.Answer 2.Answer 3.Answer 4.Solution.
Notice when you are given complete information regarding the entire data set then determining probabilities for events can be relatively easy to compute.
in-context