The length of brook trout caught in a certain colorado stream has a mean of 14 inches and a standard deviation of 3 inches. what lower limit should the state game commission set on length, if it is desired that 80 per cent of the catch may be kept by fisherpersons? 12.80 inches 11.48 inches 12.4l inches 12.00 inches

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

The customer price index(cpi), which measures the cost of a typical package of customer goods,was 208.8 in 2011 and 244.1 in 2016.let x=11 corresponding to the year 2011 an estimate to cpi into 2013 and 2014. assume that the data can be modeled by a straight line and the trend to continue idenfinitely.use data points to find such a line and then estimate the requested quantities

If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅