what is the rv in a random variable? if the probability for getting a side effect of a drug is $0/6$, what is the probability that eight patients are needed which condition of the binomial random variable is used to solve a problem? what is the solution of the negative binomial random variable? why use a negative binomial variable how is the negative binomial random variable used to solve this problem what is the negative binomial random variable what is the probability of eight patients if one of the n pairs is positive when using the negative binomial random variable, the number of trials needed should be equal to _____. how is the negative binomial random variable used to solve this problem? what is the negative binomial distribution used for a drug negative binomial random variables how is this negative binomial random variable used to solve this problem? how is p used to solve a problem what is the negative binomial random variable? when does a negative binomial random variable become available how is this binary random variable negative how to use the negative binomial random variable how is an r.v. useful in a research study? how are negative binomial random variables used