# Question: According to the Statistical Abstract of the United States 2012

According to the Statistical Abstract of the United States, 2012 (Table 721), the mean family net worth of families whose head is between 35 and 44 years old is approximately $325,600. If family net worth is normally distributed with a standard deviation of $100,000, find the probability that a randomly selected family whose head is between 35 and 44 years old has a net worth greater than $500,000.

## Answer to relevant Questions

A retailer of computing products sells a variety of computer-related products. One of his most popular products is an HP laser printer. The average weekly demand is 200. Lead time for a new order from the manufacturer to ...The mean and variance of the time to complete the project in Exercise 7.58 was 145 minutes and 31 minutes2. What is the probability that it will take less than 2.5 hours to overhaul the machine?When trucks arrive at the Ambassador Bridge, each truck must be checked by customs agents. The times are exponentially distributed with a service rate of 10 per hour. What is the probability that a truck requires more than ...Use a computer to find the following values of t.a. t.10, 15b. t.10, 23c. t.025, 83d. t.05, 195Use a computer to find the following probabilities.a. P(χ2250 > 250)b. P(χ236 > 25)c. P(χ2600 > 500)d. P(χ2120 > 100)Post your question