1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

1.  5

2.  -5

3.  8

4.  -8

View Answer  
4
Correct Answer :

8


Explanation :
No Explanation available for this question

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

1.  1

2.  2

3.  3

4.  4

View Answer  
4
Correct Answer :

1


Explanation :
No Explanation available for this question

An unbiased coin is tossed to get 2 points for turning up a head and one point forthe tail. If three unbiased coins are tossed simultaneously, then the probability ofgetting a total of odd number of points is:

1.  1/2

2.  1/4

3.  1/8

4.  3/8

View Answer  
4
Correct Answer :

1/2


Explanation :
No Explanation available for this question

Suppose E and F are two events of a random experiment. If the probability of occurrence of E is 1/5 and the probability of occurrence of F given E is 1/10, then the probability of non-occurrence of at least one of the events E an

1.  1/18

2.  1/2

3.  49/50

4.  1/50

View Answer  
4
Correct Answer :

1/18


Explanation :
No Explanation available for this question

Six faces of an unbiased die are numbered with 2, 3, 5, 7, 11 and 13. If two such dice are thrown, then the probability that the sum on the uppermost faces of the dice is an odd number is :

1.  5/18

2.  5/36

3.  13/18

4.  25/36

View Answer  
4
Correct Answer :

5/18


Explanation :
No Explanation available for this question

A person who tosses an unbiased coin gains two points for turning up a head and loses one point for a tail. If three coins are tossed and the total score X is observed, then the range of x is :

1.  {0, 3, 6}

2.  {-3, 0, 3}

3.  {-3, 0, 3, 6}

4.  {-3, 3, 6}

View Answer  
4
Correct Answer :

{-3, 0, 3, 6}


Explanation :
No Explanation available for this question

If X is a poisson variate with P(X = 0) = 0.8, then the variance of X is :

1.  loge20

2.  log1020

3.  loge5/4

4.  0

View Answer  
4
Correct Answer :

log<sub>e</sub>5/4


Explanation :
No Explanation available for this question

If the distance between the points (a cos θ, a sin θ) and is 2a then θ is equal to :

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question
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