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A florist has determined that 28% of all their sales are cas…

A florist has determined that 28% of all their sales are cash sales. A random sample of 56 sales is selected.   a.) Find the standard error for the proportion of cash sales. [a]   b.) What is the probability that more than 25% of those sampled were cash sales? [b][c]

The following figure shows a beaker divided into two compart…

The following figure shows a beaker divided into two compartments by a semipermeable membrane that allows the passage of water molecules, but prevents the passage of sugar molecules. Assume that each sugar molecule represents a percentage point of sugar dissolved in the solution. Over time, the solution volume on the left side of the figure would __________. This is because the solution on the left side of the figure is __________ relative to the solution on the right.

You are doing a study about weather differences in certain m…

You are doing a study about weather differences in certain major cities located around the world. This table shows data about the weather on a given Sunday for the particular cities you wanted to study. City High Temperature Low Temperature Conditions Acapulco 99 77 partly cloudy Bangkok 92 78 partly cloudy Mexico City 77 57 showers Montreal 72 56 partly cloudy Paris 77 58 clear Rome 88 68 cloudy Toronto 78 61 clear   Select all the variables for this data set.