A Marketing Solutions Poll of Mutual Funds and Fund Owners

Short Answer

A marketing solutions poll of mutual funds and fund owners asked fund owners what action they took after the September 11th 2001 market drop. Sixteen percent of respondents said they bought more funds. If 600 fund owners were polled, the mean of the number of respondents who bought more
funds =______ , and the standard deviation =______ . Considering as unusual a result that differs from the mean by more than two standard deviations, it ( (is/is not) ) unusual that in one of these polls of 600 fund owners, 100 respondents bought more mutual funds.