Let $X \sim B(6, 1/2)$,then $P[|X-4| \leq 2]$ is

  • A
    $\frac{115}{128}$
  • B
    $\frac{63}{64}$
  • C
    $\frac{57}{64}$
  • D
    $\frac{7}{64}$

Explore More

Similar Questions

$A$ fair coin is tossed a fixed number of times. If the probability of getting $7$ heads is equal to that of getting $9$ heads,then the probability of getting $3$ heads is

The probability that an event $A$ happens in a trial is $0.4$. If three independent trials are made,then the probability that $A$ happens at least once is

The probability of a bomb hitting a bridge is $\frac{1}{2}$ and two direct hits are needed to destroy it. The least number of bombs required so that the probability of the bridge being destroyed is greater than $0.9$ is:

Difficult
View Solution

$A$ man takes a step forward with probability $0.4$ and backwards with probability $0.6$. The probability that at the end of eleven steps,he is one step away from the starting point is

Six balls are drawn successively from an urn containing $7$ red and $9$ black balls. Determine whether or not the trials of drawing balls are Bernoulli trials when the ball drawn is not replaced in the urn after each draw.

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