JEE Main 11 Jan 2019 Shift 2 Solved Paper

Section: Mathematics

Question : 46 of 90

Marks: +1, -0

A bag contains 30 white balls and 10 red balls. 16balls are drawn one by one randomly from the bagwith replacement. If X be the number of white ballsdrawn, the (

mean‌of‌X

standard‌deviation‌of‌X

) is equal to :

[11 Jan 2019 Shift 2]

4
4√3
3
4√3
3√2

Validate

Go to Question:

Prev Question

Next Question