Question: Forty families gathered for a fund raising event Suppose the find
Forty families gathered for a fund-raising event. Suppose the find ividual contribution for each family is normally distributed with a mean and a standard deviation of $115 and $35, respectively. The organizers would call this event a success if the total contributions exceed $5,000. What is the probability that this fund-raising event is a success?
Answer to relevant QuestionsThe significant decline of savings in the United States from the 1970s and 1980s to the 1990s and 2000s has been widely discussed by economists (http://money.cnn.com, June 30, 2010). According to the Bureau of Economic ...A simple random sample of 25 observations is derived from a normally distributed population with a known standard deviation of 8.2.a. Is the condition that is normally distributed satisfied? Explain.b. Compute the margin ...U.S. consumers are increasingly viewing debit cards as a convenient substitute for cash and checks. The average amount spent annually on a debit card is $7,790 (Kiplinger’s, August 2007). Assume that this average was based ...A random sample of 24 observations is used to estimate the population mean. The sample mean and the sample standard deviation are calculated as 104.6 and 28.8, respectively.Assume that the population is normally ...The Sudoku puzzle has recently become very popular all over the world. It is based on a 9 x 9 grid and the challenge is too ill in the grid so that every row, every column, and every 3 x 3 box contains the digits 1 through ...
Post your question