Probability using binomial to normal approximation

Reference no: EM1318009

Romance USA Today reported that 11% of all books sold are of the romance genre. If a local bookstore sells 316 books on a given day, what is the probability that,

A. fewer than 40 are romances?

B. at least 25 is romances?

C. between 25 and 40 are romances?

d. In the solution to this problem, what is n? p? q? Does it appear that both np and nq are larger than 5? Why is this an important consideration?

Reference no: EM1318009

Questions Cloud

Compute effective rate : Compute effective rate

Data security case : What elements should a data security policy for a bank include? Employee data theft most frequently occurs with new employees or when an employee has given notice and is leaving. How would you deal with these two different issues?

Find the density of given expression using theorem : Finding the density of y and then finding the expectation and (b) using theorem A

What is the probability : what is the probability that all will make a purchase and evaluate the probability that a light bulb will burn out in less than 1000 hours.

Probability using binomial to normal approximation : In the solution to this problem, what is n? p? q? Does it appear that both np and nq are larger than 5? Why is this an important consideration?

Marketing strategy implementation approaches : Given the various marketing strategy implementation approaches discussed in the text and your individual personality and preferences- Discuss your comfort level at implementing a strategy that is not within your personal comfort zone.

Find compound amount : Find compound amount.

Marginal density and expected value using joint density : a) Find the marginal density of Y. b) Find E(X) HINT: What is E (X|Y=y) ?

What is the best contractor-to-suburb match : The Greenberg public hearing meeting turned stormy. Citizens from four suburbs were gathered at city hall to try to get the city's federal funds for their own suburbs. The government recently awarded $750,000 to the city for road improvements. The..

User Account

All Pages