# Question

Peccavi Construction is currently involved in four independent projects. Peccavi estimates that each project is 40% likely to be late.

a. Using a tree diagram, produce the full probability distribution for the random variable “number of late projects.” Show distribution results in the x, P(x) table format.

b. Show your results in graphical form.

c. Compute the expected value and the standard deviation of the random variable.

a. Using a tree diagram, produce the full probability distribution for the random variable “number of late projects.” Show distribution results in the x, P(x) table format.

b. Show your results in graphical form.

c. Compute the expected value and the standard deviation of the random variable.

## Answer to relevant Questions

For the experiment described in Exercise 66, use the binomial table at the end of the text to confirm the probabilities you produced. In a recent assessment test given by the Department of Education, approximately 55% of high school seniors did not show even “basic knowledge” of American history. In fact, a substantial number of them didn’t know ...Refer to the situation described in Exercise 77. Suppose the store has recently adopted a standard policy on shipment quality: If the overall shipment contains no more than 5% mislabeled hats, it should be considered ...Arrivals at the parking lot close to your job follow an approximately Poisson pattern, with a mean arrival rate of 10 cars per hour. You arrive at 9 A.M. and fnd that there are fve available spaces (of a total of 20 in the ...The useful life of electrical circuits produced by your company has a uniform distribution defend by the probability density function: where x = values for the random variable “useful circuit life in hours” a. ...Post your question

0