With a height of 60 in, george was the shortest president of a particular club in the past century. the club presidents of the past century have a mean height of 64.6 in and a standard deviation of 2.9 in. a. what is the positive difference between george's height and the mean? b. how many standard deviations is that [the difference found in part (a)]? c. convert george's height to a z score. d. if we consider "usual" heights to be those that convert to z scores between minus2 and 2, is george's height usual or unusual? a. the positive difference between george's height and the mean is nothing in.

What is the approximate total length of iron edging needed to create the square frame and the two diagonals?

/is used for a fraction 1) if x = 2/3 and y = 3/4, what is the value of (x + y) (x/y) expressed as a common fraction? 2) what is the least positive integer greater than 1 that leaves a remainder of 1 when divided by each of 2, 3, 4, 5, 6, 7, 8, and 9? 3) the ponde family's powerjet pumps 420 gallons of water per hour. at this rate, how many gallons of water will it pump in 45 minutes? 4) kim's insurance company pays 80% of the cost of all prescription medication she purchases in a year beyond the first $250 worth of prescriptions. her prescriptions for this year cost a total of $570. how many dollars of this amounts will kim's insurance company pay?

To determine the number of deer in a forest a forest ranger tags 280 and releases them back