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STA301 Online Quiz No 03 Solution & Discussion Last Date:13-02-2015
Quiz no.3 Dated: Feb 09, 15
Dear Students,
You are informed that Quiz no.3 will be started according to the following schedule;
Opening Date and Time of Quiz Feb 12, 2015 at 12:01AM
Closing Date and Time of Quiz Feb 13, 2015 at 11:59PM
Instructions:
Read the following instructions carefully before attempting the Quiz No.3.
• Quiz will be based upon Multiple Choice Questions (MCQs) and it will cover Lesson nos. 21 to Lesson nos.30.
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Quiz # 3 Feb 12 to 13, 2015
Here goes my 3rd Quiz
By Juste
I have only saved the MCQ'S and my answers, didn't saved other options. Verify all answers yourself. Please share your quizzes as well.
From the following table; X P(x) 2 1/36 3 2/36 4 3/36 5 4/36 6 5/36 7 6/36 8 5/36 9 4/36 10 3/36 11 2/36 12 1/36 The value of P(x<5) will be:
1/36
*6/36
8/36
10/36
A coin is tossed and a single 6-sided die is rolled. Find the probability of landing on the head side of the coin and rolling a 3 on the die.
1/2
3/12
*1/12
1/6
The probability distribution of X is given below. x: 0 1 2 3 4 p(x): 0.73 ? 0.06 0.04 0.01 What is the value of missing probability?
0.54
*0.16
0.06
0.25
For a discrete probability distribution, sum of P(X) always ......
0
*1
Less than 1
Greater than 1
For the independent events C and D, if P(C)=0.25 and P(D)=0.40 then P(C and D)=?
*0.65
0.1
0.50
0.15
Three unbiased coins are tossed. The sample space is: S = {TTT, TTH, THT, HTT, THH, HTH, HHT, HHH}. What is the probability of getting at most two heads?
1/4
3/1
*1/2
7/8
For good approximation of Poisson distribution to the binomial distribution, which of the following condition (s) is/are required:
The population size is large relative to the sample size
The probability, p, is close to .5 and the population size is large
The probability, p, is small and the sample size is large
*The probability, p, is close to .5 and the sample size is large
Which of the following is NOT applicable to a Poisson distribution?
*IF P = 0.5 & n = 19
IF P = 0.01 & n = 200
IF P = 0.02 & n = 300
IF P = 0.03 & n = 500
Which type of data is used in the binomial distribution?
*Discrete data only
Continues data only
Qualitative data only
Both discrete and continuous
The mean of the continuous probability function f(x) can be obtained by
Integrating the x
*Integrating the function f(x)
Integrating the product xf(x)
Multiplying the x by its function f(x)
standard deviation-pg#82
0.8
its correct
If A and B are mutually exclusive events, then
P (A∪B) = P (A) + P (B)
=0.3+0.5
=0.8
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