x ഒരു standard normal r.v. ആണെങ്കിൽ x² ന്ടെ variance
A0
B1
C2
D3
A0
B1
C2
D3
Related Questions:
Study the table and answer the question, The number of girls whose height is above 125 cm is :
Height (in cm) | Number of girls |
less than equal to 110 | 15 |
less than equal to 115 | 24 |
less than equal to 120 | 31 |
less than equal to 125 | 43 |
less than equal to 130 | 54 |
less than equal to 135 | 68 |
The given table shows the number of the suitcases sold by different showrooms from 2018 to 2022.
The suitcases sold by the showroom D in 2019 is what percentage (rounded off to two places of decimals) less than that sold by showroom B in 2021?