# Question: In a recent year the average daily circulation of the

In a recent year, the average daily circulation of the Wall Street Journal was 1,717,000.Suppose the standard deviation is 50,940. Assume the paper’s daily circulation is normally distributed. On what percentage of days would circulation pass 1,800,000? Suppose the paper cannot support the fixed expenses of a full-production setup if the circulation drops below 1,600,000.If the probability of this even occurring is low, the production manager might try to keep the full crew in place and not disrupt operations. How often will this even happen, based on this historical information?

## Answer to relevant Questions

Incoming phone calls generally are thought to be Poisson distributed. If an operator averages 2.2 phone calls every 30 seconds, what is the expected (average) amount of time between calls? What is the probability that a ...In 1959, BMW (Bayerische Motoren Werke) almost went bankrupt and nearly sold out to Daimler-Benz, the maker of Mercedes-Benz cars. BMW was able to recover to the point that in 1992 it passed Mercedes in worldwide sales. ...A population is normally distributed, with a mean of 23.45 and a standard deviation of 3.8.What is the probability of each of the following?a. Taking a sample of size 10 and obtaining a sample mean of 22 or more b. Taking a ...A given population proportion is .25. For the given value of n, what is the probability of getting each of the following sample proportions? a. n = 110 and p̂ ≤ .21b. n = 33 and p̂ > .24c. n = 59 and .24 ≤ p̂ < .27d. ...Suppose the age distribution in a city is as follows.Under 18 .... 22%18–25 ...... 18%26–50 ...... 36%51–65 ...... 10%Over 65 ...... 14%A researcher is conducting proportionate stratified random sampling with a sample ...Post your question