29
Feb
Statistics Binomial Distribution Problems. A set number of trials. The prefix bi means two. P Y 1 Y 1 1 1 p n n p 1 p n 1 1 1 p n. For binomial distribution we have PX r n C r p r q n r.
In probability theory the binomial distribution comes with two parameters n and p. The distribution can be listed from the table given in the text books. Write down the conditions for which the binomial distribution can be used. X px 0 0313 1 1563 2 3125 3 3125 4 1563 5 0313 751 n number of trustworthy people. The probability distribution becomes a binomial probability distribution when it meets the following requirements. Binompdf and binomcdf functions.
So for example using a binomial distribution we can determine the probability of getting 4 heads in 10 coin tosses.
The probability distribution becomes a binomial probability distribution when it meets the following requirements. The number of auto accidents in a year for a low risk driver is modeled by a binomial distribution with mean 04 and variance 036. We have only 2 possible incomes. PX 5 9 C 5 12 5 12 9 5. The practice problems presented here are continuation of the problems in this previous post. A binomial probability problem has these features.