Below is a distribution for number of visits to dentists in one year. X 1 2 3 4 5 P(X=x) 0.26 0.43 0.17 0.06 0.08 Calcul

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Below is a distribution for number of visits to dentists in one
year.
X
1
2
3
4
5
P(X=x)
0.26
0.43
0.17
0.06
0.08
Calculate the following probabilities:
a. P(X < 2) =
b. P(X ≥ 3) =
c. P(1< X ≤ 3) =
d. P(3 ≤ X < 5) =
e. P(3 < X < 5) =
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Below is a probability distribution for the number of failures
in an elementary statistics course.
X
0
1
2
3
4
P(X=x)
0.41
0.17
?
0.05
0.11
Determine the following probabilities:
a. P(X = 2) =
b. P(X < 2) =
c. P(X ≤ 2) =
d. P(X > 2) =
e. P(X = 1 or X = 4) =
f. P(1 ≤ X ≤ 4) =