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. ...
Calculating the Mean and Variance of a Poisson Random... Find the probability density function of Y - 10X - 4. 3. Calculate the mean and variance of a Poisson ...
... 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 ...
... comprises of a step by step explanation of how to calculate the probability mass function and illustrates some theory on the negative binomial random variable. ...
...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 ...
