The top ten medal-winning nations in a tournament are shown below.   Find the mean, median, and mode(s) of total number of medals. Show work to receive partial credit. Mean (round to the nearest tenth): [mean] Median (round to the nearest tenth): [median] Mode(s): [modes]  

Zachary earned the following scores on his six management exams last semester.           79,  81,  48,  87,  79,  81,  92     Find the mean, median, and mode(s) of Zachary’s grades (round to the nearest hundredth). Show work to receive partial credit. Mean (round to the nearest hundredth): [mean] Median (round to the nearest hundredth): [median] Mode(s): [modes]

Formulas to reference for the next two questions:  

Find the range and standard deviation of the set of data:  16, 14, 19, 9, 18, 10, 12. Show work to receive partial credit.   Range: [range] Standard Deviation:  [sdev] (round to the nearest thousandth)  

The bar graph below shows trends in several economic indicators over the period 2003 – 2008. Over the six-year period, about what was the highest consumer price index, and when did it occur? To the nearest tenth of a percent, the highest consumer price index was [percent]%, and it occurred in the year [year].

When drawing a single card from a standard 52-card deck, find the probability of neither a red card nor a 7.   P(E) = [probability] Enter probability as a fraction in lowest terms or decimal rounded to 3 places. Show work to receive partial credit.

Three women and 4 men are waiting to be interviewed for jobs. If they are all selected in random order, find the probability that all women will be interviewed first.    P(E) = [probability] Enter probability as a fraction in lowest terms or decimal rounded to 3 places. Show work to receive partial credit.

Compute the probability of event E if the odds in favor of E are 23 to 21. Show work to receive partial credit.   P(E) = [answer1] Enter probability as a fraction in lowest terms or decimal rounded to 2 places.

A study at an amusement park found that, of 10,000 families at the park, 1500 brought one child, 2040 brought two children, 2390 brought three children, 1720 brought four children, 1170 brought five children, 680 brought six children, and 500 had not brought any children. Find the expected number of children per family at the amusement park. Show work to receive partial credit. E(children) = [children]

Assume that each of the n trials is independent and that p is the probability of success on a given trial. Use the binomial probability formula to find P(x).    n = 6, x = 2, p = 0.2    P(x) = [probability] Enter probability decimal rounded to 3 places. Show work to receive partial credit.