Question

If the table below represents a probability model based on observed frequencies, what is the value of x ?

Y 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

Answer 1

To find the value of x, we start by summing up the probabilities of Y, C, A, R, and E:

0.25 + 0.18 + 0.30 + 0.17 + x = 1

Now we can solve for x:

0.90 + x = 1
x = 1 - 0.90
x = 0.10

Therefore, the value of x is 0.10.