TRB MODEL QUESTIONS FOR MATHS
| 46. |
Radius of curvature of the curve y = ex at the point where it crosses y–axis is |
| |
- A. e
- B. √2
- C. 2√2
- D. none of these
|
| 47. |
In a Poisson distribution if P(x =2 ) = P(x = 3) then its parameter is |
| |
|
| 48. |
Mean, median, mode of this distribution coincide the distribution |
| |
- A. poisson
- B. binomial
- C. normal
- D. none of these
|
| 49. |
A section of a solid sphere by a plane is a |
| |
- A. circle
- B. parabola
- C. ellipse
- D. hyberpola
|
| 50. |
The mean of a binomial distribution is 5 and mean standard deviation is 2 then n = |
| |
|
