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Lesson Example Discussion Quiz: Class Homework

Quiz Discussion

Title: Probability distribution function of discrete random variable

Grade: 9-a Lesson: S4-L1

Explanation: Let us discuss a few questions on this topic and review the answers to every question.

Quiz: Discussion in Class

Problem Id	Problem	Options
Steps 1	A discrete random variable X whose probability distribution function is \$P(X=x) = x/12\$ x∈{1, 2, 3, 4, 5} .Find P(X≤4)	A) 0.13 B) 0.63 C) 0.83 D) 0.49
Steps 2	A discrete random variable X has a probability distribution function defined as \$P(X=x) = kx^2\$ where: x={0, 1, 2, 3,4} Calculate the probability that X=2.	A) 0.54 B) 0.32 C) 0.53 D) 0.13
Steps 3	From the given data ,Find the value of P(X ≤ 0.5) $3$	A) 0.9 B) 0.5 C) 0.3 D) 0.2
Steps 4	From the given data,Find the value of P(X < 8) $4$	A) 0.6 B) 0.5 C) 0.4 D) 0.10
Steps 5	The random variable X has a probability distribution P(X) of the following form,where k is some number: $5$ Find P(X<2)	A) 0.36 B) 0.12 C) 0.13 D) 0.42

Problem Id

Problem

Options

Steps 1

A discrete random variable X whose probability distribution function is \$P(X=x) = x/12\$ x∈{1, 2, 3, 4, 5} .Find P(X≤4)

A) 0.13
B) 0.63
C) 0.83
D) 0.49

Steps 2

A discrete random variable X has a probability distribution function defined as \$P(X=x) = kx^2\$ where: x={0, 1, 2, 3,4} Calculate the probability that X=2.

A) 0.54
B) 0.32
C) 0.53
D) 0.13

Steps 3

From the given data ,Find the value of P(X ≤ 0.5) $3$

A) 0.9
B) 0.5
C) 0.3
D) 0.2

Steps 4

From the given data,Find the value of P(X < 8) $4$

A) 0.6
B) 0.5
C) 0.4
D) 0.10

Steps 5

The random variable X has a probability distribution P(X) of the following form,where k is some number: $5$
Find P(X<2)

A) 0.36
B) 0.12
C) 0.13
D) 0.42