Exhibit 8 of the case indicates that 97 rental requests arrived over a 26 week span. Assume that everyone rents a pair of skis for one weekend and that Salt Lake City has 4 pairs of rental skis. Also assume no variation in rental times (i. e. the standard deviation of rental times is zero) and that inter-arrival times are exponentially distributed (i. e. the coefficient of variation is 1). How long, on average, do customers have to wait for a pair of skis