SaiBook.us Statistics

Lesson Example Discussion Quiz: Class Homework

Quiz At Home

Title: Probability distribution function of discrete random variable

Grade: 9-a Lesson: S4-L1

Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the five problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts.

Quiz: at Home

Problem Id	Problem	Options
1	A discrete random variable X whose probability distribution function is \$P(X=x) = (3x+1)/30,\$ x∈{1, 2, 3, 4, 5} .Find P(X<3)	A) 0.4 B) 0.3 C) 0.13 D) 0.14
2	A discrete random variable X has a probability distribution function defined as:\$P(X=x) = k^2 x\$ where: x={4,5,6,7}.Calculate the probability that X = 2	A) 0.12 B) 0.81 C) 0.09 D) 0.90
3	From the given data,Find the value of P(X≥3) $3$	A) 0.56 B) 0.31 C) 0.35 D) 0.82
4	From the given data,Find the value of P(X<9) $4$	A) 0.5 B) 0.9 C) 0.12 D) 0.2
5	A discrete random variable X has a probability distribution function $5$ Find P(X<1)	A) 0.2 B) 0.3 C) 0.1 D) 0.4

Problem Id

Problem

Options

A discrete random variable X whose probability distribution function is \$P(X=x) = (3x+1)/30,\$ x∈{1, 2, 3, 4, 5} .Find P(X<3)

A) 0.4
B) 0.3
C) 0.13
D) 0.14

A discrete random variable X has a probability distribution function defined as:\$P(X=x) = k^2 x\$
where: x={4,5,6,7}.Calculate the probability that X = 2

A) 0.12
B) 0.81
C) 0.09
D) 0.90

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

A) 0.56
B) 0.31
C) 0.35
D) 0.82

From the given data,Find the value of P(X<9) $4$

A) 0.5
B) 0.9
C) 0.12
D) 0.2

A discrete random variable X has a probability distribution function $5$
Find P(X<1)

A) 0.2
B) 0.3
C) 0.1
D) 0.4