Random Variables

Find P(X < 5)

• 0.2

• 0.3

• 0.5

• 0.7

Find P(X ≤ 5)

• 0.2

• 0.3

• 0.5

• 0.7

Find the value of p

• 0.9

• 0.1

• 0.3

• 0.15

Find the value of k

• ¹/₁₅

• ¹/₁₆

• ¹/₁₇

• ¹/₁₄

Find a if b = 0.4

• 0.1

• 0.2

• 0.4

• 0.6

Find the value of k

• ¹/₆

• ¹/₁₄

• ¹/₁₁

• ¹/₁₅

Find the value of k

• ¹/₁₀

• ¹/₆

• ¹/₁₂

• ¹/₈

Find the value of c

• 0.8

• 0.2

• 0.3

• 0.1

Find the value of a

• ¹/₂

• ¹/₄

• ¹/₅

• ¹/₁₀

X has the probability distributions shown in the table. Find the value of k. (Remember that a valid probability distribution must add up to 1)

• 1/3

• 7/12

• 1/12

• 1/4