(b) The airborne speeds in miles per hour of 21 planes are shown. (2 each ) Find the approximate values that correspond to the given percentiles by constructing a percentile graph. Class Frequency 366-386 4 387-407 2 408-428 3 429-449 2 450-470 1 471-491 2 492-512 3 513-533 4 1). 65th 2). 30th 3). 85th (c) Using the given above data, find the approximate percentile (2 each ) ranks of the following speeds in miles per hour (mph). 1). 380 mph 2). 425 mph 3). 525 mph ( d ): A distribution company is estimating sales for next year . The Atlantic (2) Branch with current yearly sales of $ 239.5 million , is expected to achieve A sales growth of 27.5 % , the west branch , with current sales of $ 257 .3 Million , is expected to grow by 28.4 % , and the north branch , with sales of $ 157.15 million is expected to increase sales by 15.7% . What is the average rate of sales growth forecasted for next year ? Q 2 )Campus Apartment Rentals advertised 1,706 available units for students. (5) These units are in west, South, and Center City apartment complexes, and they have one , two,, and three bedrooms. The following contingency table summarizes the available units. West South Center of city One bedroom 97 277 175 Two bedroom 156 315 261 Three bedroom 99 229 97 An apartment advertised by Campus Apartment Rentals is selected at random. What is the probability that it is ; a) In center of the city? b) A Two bedroom unit? c) In center of and is a three-bedroom unit? d) In West or is a one bedroom unit? e) A one bedroom unit, given it is in the South of the city