In Exercises 3 and 4, sketch a graph of the probability distribution and find each probability.
x  1  2  3  4 
P(x) 




(a)
(b)
(a)
To graph: The probability distribution:
and calculate the probabilities
Given Information:
The probability distribution:
Graph:
Consider the provided probability distribution.
Use the ti83 graphing calculator to construct the graph to represent this probability distribution.
Step 1: Open the ti83 graphing calculator.
Step 2: Press
Step 3: Press the
Type: Select Bar Graph
X List: L_{1}
Freq: L_{2}
Step 4: Press the
(b)
To graph: The probability distribution:
and calculate the probabilities
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