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Probability Theory MCQs

Probability Theory Quiz Outline

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1
Created on January 05, 2022 By Quizllc

Probability Theory MCQs

1 / 20

The Intersection of two events A & B is written as?

2 / 20

Joint probability of two independent events A and B is?

3 / 20

P (S) = ?

4 / 20

F (-∞) = ?

5 / 20

A continuous probability distribution is not represented by?

6 / 20

A desecrate probability distribution may be represented by?

7 / 20

If X & Y are two independent variable then Var (X-Y ) =?

8 / 20

Suppose X has p.d given by X= -2 -1 0 1 f(x) = 2a 3a a 3a Then a is?

9 / 20

Hyper geometric distribution has parameter?

10 / 20

Variance of uniform distribution is?

11 / 20

The order movements about mean for the normal distribution are all?

12 / 20

Standard deviation of the exponential distribution is?

13 / 20

Shape of normal distribution is?

14 / 20

The color your eye ?

15 / 20

The number of stop signs in the city of Bahawalpur is ?

16 / 20

Number of siblings in a family is ?

17 / 20

Marital status of a faculty member?

18 / 20

Life time of a television tubes produced by a company?

19 / 20

Median of the number 6, 4, 8?

20 / 20

Observed data organize into tabular form is called?

Your score is

The average score is 80%

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Probability Theory MCQs with Answers 

A random variable X is normally distributive with µ= 50 and σ=5 find the probability that it will be larger than 54.

A. 0.9192
B. 0.1587
C. 0.028
D. 0.2119
View Answer

D. 0.2119

The order movements about mean for the normal distribution are all?

A. 0
B. 1
C. Both A & B
D. None of the above
View Answer

A. 0

The exponential distribution is extremely skewed and thus there does not exist any ?

A. Mean
B. Median
C. Both A & B
D. Mode
View Answer

D. Mode

Standard deviation of the exponential distribution is.

A. 1/λ
B. 2/λ
C. 3/λ
D. λ
View Answer

A. 1/λ

Shape of normal distribution is?

A. Triangle
B. Square
C. Rectangular
D. Bell shape
View Answer

D. Bell shape

Variance of uniform distribution is

A. a/2
B. b/2
C. (a+ b)/2
D. (b-a)²/12
View Answer

D. (b-a)²/12

A binomial distribution may be approximated by a Poisson distribution when

A. n is large and p is small
B. n is small and p is large
C. n is small and p is small
D. n is large and p is large
View Answer

A. n is large and p is small

Hyper geometric distribution has parameter.

A. One
B. Two
C. Three
D. None of the above
View Answer

C. Three

If X is binomially distributed with mean 3.20 and variance is 1.152 find the p?

A. 1
B. 2
C. 0.36
D. 0.64
View Answer

D. 0.64

A certain event is believed to follow the binomial distribution in 1024 sample of 5 the result was observed once 405 times and twice 270 times find q?

A. 1/4
B. 2/4
C. 3/4
D. 1
View Answer

C. 3/4

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