Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 
Questions  >>  JEEMAIN and NEET  >>  Mathematics  >>  Class12  >>  Probability
Answer
Comment
Share
Q)

Let P be the probability of happening any event and Q its failure, then the total chance of $ r$ success in $n$ trials is

$\begin {array} {1 1} (A)\;n\: C_rP^rQ^{n-r} & \quad (B)\;n\: C_rP^{r-1}Q^{r+1} \\ (C)\;C\: C_rP^{r+1}Q^{r-1} & \quad (D)\;n\: C_{n+r}P^rQ^{n-r} \end {array}$

 

1 Answer

Home Ask Tuition Questions
Your payment for is successful.
Continue
...