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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.
• You can start attempting the quiz any time within given date(s) and time of a particular subject by clicking the link for Quiz in LMS.
• Each question has a fixed time of 90 seconds. So you have to save your answer before 90 seconds. But due to unstable internet speeds, it is recommended that you should save your answer within 60 seconds. While attempting a question, keep an eye on the remaining time.
• Attempting quiz is unidirectional. Once you move forward to the next question, you can not go back to the previous one. Therefore before moving to the next question, make sure that you have selected the best option.
• DO NOT press back button while attempting a question; otherwise you will lose a question.
• DO NOT refresh the page unnecessarily.
• DO NOT try to disable “JavaScript” in your browser; otherwise you will not be able to attempt the quiz.
• If for any reason, you lose access to internet (like power failure or disconnection of internet); you will be able to attempt the quiz again from the position where you left in last attempt. But remember that you have to complete the quiz before expiry of the deadline.
• It is advised that for rough work keep a paper and pencil with you.
• You may use calculator for finding the correct solution among options.
• If any student failed to attempt the quiz in given time then NO re-take or offline quiz will be held.

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Replies to This Discussion

Please all students related this subject Share your online Quizzes here to help each other.thanks

 

Please share the question and their answers of this quiz if anyone has done.
Thanks. 

Please share your quizzes here.

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

standard deviation-pg#82

discrete distribution

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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