# Question: In 2008 and 2009 Systemax bought two failing electronics stores

In 2008 and 2009, Systemax bought two failing electronics stores, Circuit City and CompUSA. They have kept both the names active and customers can purchase products from either website. If they take a random sample of a mixture of recent purchases from the two web-sites, the distribution of the amounts purchased will be bimodal.

a) As their sample size increases, what’s the expected shape of the distribution of amounts purchased in the sample?

b) As the sample size increases, what’s the expected shape of the sampling model for the mean amount purchased of the sample?

a) As their sample size increases, what’s the expected shape of the distribution of amounts purchased in the sample?

b) As the sample size increases, what’s the expected shape of the sampling model for the mean amount purchased of the sample?

**View Solution:**## Answer to relevant Questions

A survey of 25 randomly selected customers found the following ages (in years): The mean was 31.84 years and the standard deviation was 9.84 years. a) What is the standard error of the mean? b) How would the standard error ...For each of the following situations, state whether a Type I, a Type II, or neither error has been made. a) A test of H0: m = 25 vs. HA: m 7 25 rejects the null hypothesis. Later it is discovered that m = 24.9. b) A test ...Which of the following are true? If false, explain briefly. a) If the null hypothesis is true, you’ll get a high P-value. b) If the null hypothesis is true, a P-value of 0.01 will occur about 1% of the time. c) A P-value ...Before lending someone money, banks must decide whether they believe the applicant will repay the loan. One strategy used is a point system. Loan officers assess information about the applicant, totaling points they award ...Consider again the task of the quality control inspectors in Exercise 34. a) In this context, what is meant by the power of the test the inspectors conduct? b) They are currently testing 5 items each hour. Someone has ...Post your question