# If X is a poission variate such that p(X=0)=p(X=1),then p(X=2),

1.  e/2

2.  e/6

3.  1/6e

4.  1/2e

4

1/2e

Explanation :
No Explanation available for this question

# If in a poission frequency distribution,the frequency of 3 successes is 2/3 times the frequency of 4 successes,the mean of the distribution is

1.  2/3

2.  1/3

3.  6

4.  (6)1/2

4

6

Explanation :
No Explanation available for this question

# The number of 5digit numbers that can be formed with 0,1,2,3,5 so that no digit being repeated in any number is

1.  96

2.  120

3.  24

4.  58

4

96

Explanation :
No Explanation available for this question

# If the mean of poission distribution is 16,then its S.D.is

1.  16

2.  4

3.  10

4.  15

4

4

Explanation :
No Explanation available for this question

# If X is a poission variate such that p(X=0)=1/2,the variance of X is

1.  4

2.  2

3.  log2e

4.  3

4

log2e

Explanation :
No Explanation available for this question

# The sum of all 4 digited numbers that can be formed with the digits 1,2,3,4,5,6 is

1.  1260*1111

2.  1800*111

3.  1800*1111

4.  720*111

4

1260*1111

Explanation :
No Explanation available for this question

# If X is a poission variable such that p(X=2)=2/3p(X=1) then p(X=3) is

1.  e-4/3

2.  64/162e-4/3

3.  e-3/4

4.  e4/3

4

64/162e-4/3

Explanation :
No Explanation available for this question

# x+(x2/3!)+(x3/5!)+....∞=

1.  2√x(e√x-e-√x)

2.  (√x/2)(e√x-e-√x)

3.  (e√x-e-√x)/2

4.  (e√x-e-√x)

4

(√x/2)(e√x-e-√x)

Explanation :
No Explanation available for this question

1.  1/2e

2.  1/2(e+e-1)

3.  e/2

4.  1/2(e-e-1)

4

1/2(e-e-1)

Explanation :
No Explanation available for this question

# The 10th term in the expansion of 5x is

1.  x10/10!

2.  x9/9!

3.  (x9/9!)(loge5)9

4.  (x10/10!)(loge5)10

4