math help
posted by jaz .
A survey was done recently by the Royal Bank with Ipsos Reid (reported in Globe and Mail Aug 16 2010) about financial issues that university students face. (Data used here is based on that survey, but randomized to be still within the margin of error of that survey.) The survey found that 73 % of university students did not use a budget. Consider another survey, using 470 university students which found that 356 of these were not using a budget.
Find the mean and standard deviation for the number of university students not using a budget.
Mean =
Standard deviation =

what is t
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