Calculating a probability from a binomial random variable
Assume that 12 percent of adults in this country have filed for bankruptcy at some point in their life. If an independent sample of 20 adults is selected find the probability that fewer than 5 will have filed for bankruptcy at some point in their life.
Solution Summary
This problem involves calculating a probability from a binomial random variable.
... c. Calculate the variance of X. Show your work!!! d. Calculate the standard deviation. Show your work!! ... a. The probability distribution is discrete. ...
... 9) How to calculate population percentages based on standard deviation ... it can use probability to calculate how far ... increases or decreases, the probability of a ...
... (h) Calculate the interval ... Use the probabilities of part b to find the probability that ... Hint: When calculating probability, round up the lower interval to next ...
...Calculate the Z-score for x = 52 ... Give the probability that x is at most 78.5 ... provides answers to multiple choice questions on binomial and normal probabilities. ...
... µ variable using Z = and from standard normal tables , we can σ calculated the probabilities The Excel function for normal probability is =normdist ...
... d. Calculate the expected value of the total demand in a ... 2 Pr(X) 0.12 0.56 0.32 Mean is calculated by E ... a. What is the probability distribution function of the ...
... Thus X follows a Binomial distribution with parameter n = 50 and p = 0.12. ... 0.14673 [This probability can be calculated using the Excel formula =BINOMDIST ...
... For a Poisson distribution with mean 3, calculate the following ... with mean = 3. The probability density function ... is given by The probabilities for different ...
... Here Binomial probability can be applied to calculate the probability. The binomial random variable considered have the parameters n =12 and p =0.15. ...
... 52 miles per gallon is the population mean and 2.4 miles per gallon is the population standard deviation, calculate the probability that the ... Is X binomial? ...
