The sum of all the probabilities must equal 1. So,
0.25 + 0.18 + 0.30 + 0.17 + x = 1
Solving for x:
x = 0.10
Therefore, the value of x is 0.10.
If the table below represents a probability model based on observed frequencies, what is the value of x?
C A R E S
P(Y) 0.25 0.18 0.30 0.17 x(1 point)
Responses
0.20
0.20
1
1
0.01
0.01
0.10
1 answer