Quiz Summary
0 of 10 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
Information
You must specify a text. |
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
Results
Results
0 of 10 questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Average score |
|
Your score |
|
Categories
- Not categorized 0%
-
Your Score
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- Answered
- Review
-
Question 1 of 10
1. Question
If two coins are tossed five times, then the probability of getting 5 heads and 5 tails is
CorrectIncorrect -
Question 2 of 10
2. Question
A six faced dice is so biased that it is twice as likely to show an even number as an odd number when thrown. If it is thrown twice the probability that the sum of two numbers thrown is even, is
CorrectIncorrect -
Question 3 of 10
3. Question
An unbiased coin is tossed n times. Let X denote the number of times head occurs. If P (X = 4), P (X = 5) and P (X= 6) are in AP, then the value of n can be
CorrectIncorrect -
Question 4 of 10
4. Question
The probability that an event A happens in one trial of an experiment is 0.4. Three independent trials of the experiment are formed. The probability that the event A happens atleast once is
CorrectIncorrect -
Question 5 of 10
5. Question
The probability that a marksman will hit a target is given as 1/5. Then, the probability that at least one hit in 10 shots is
CorrectIncorrect -
Question 6 of 10
6. Question
A carton contains 20 bulbs, 5 of which are defective. The probability that, if a sample of 3 bulbs is chosen at random from the carton, 2 will be defective, is
CorrectIncorrect -
Question 7 of 10
7. Question
If X follows a binomial distribution with parameters n = 8 and p =1/2, then P (|X – 4| ≤ 2)
equalCorrectIncorrect -
Question 8 of 10
8. Question
The mean and variance of a binomial variable X are 2 and 1 respectively. The probability that X takes values greater than 1, is
CorrectIncorrect -
Question 9 of 10
9. Question
CorrectIncorrect -
Question 10 of 10
10. Question
For a binomial variate X with n = 6, if P(X = 2) = 9P(X = 4), then its variance is
CorrectIncorrect