The binomial distribution for which mean $= 6$ and variance $= 2$,is

  • A
    $(\frac{2}{3} + \frac{1}{3})^6$
  • B
    $(\frac{2}{3} + \frac{1}{3})^9$
  • C
    $(\frac{1}{3} + \frac{2}{3})^6$
  • D
    $(\frac{1}{3} + \frac{2}{3})^9$

Explore More

Similar Questions

$A$ binary number is made up of $16$ bits. The probability of an incorrect bit appearing is $p$ and the errors in different bits are independent of one another. The probability of forming an incorrect number is

Difficult
View Solution

If $P$ and $Q$ each toss three coins,the probability that both get the same number of heads is

In $3$ trials of a binomial distribution,the probability of $2$ successes is $9$ times the probability of $3$ successes. Then the probability of success in each trial is

In a bombing attack,there is a $50 \%$ chance that a bomb will hit the target. At least two independent hits are required to destroy the target completely. Then the minimum number of bombs that must be dropped to ensure that there is at least a $99 \%$ chance of completely destroying the target is:

$A$ fair coin is tossed $n$ times. If the probability that head occurs $6$ times is equal to the probability that head occurs $8$ times,then $n$ is equal to:

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo