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A committee of 7 Congressmen will be selected from a group of 4 Democrats and 9 Republicans. Find the number of ways of obtaining exactly 1 Democrat. Show work to receive partial credit.   There are [answer] ways.

Find the number of subsets of 12 things taken 7 at a time. Show work to receive partial credit.   Number of subsets: [answer]

Consider the chart below.   What is the second largest single expense category? [expense]   To the nearest degree, what is the central angle of that category’s sector? [angle] degrees Show work to receive partial credit.

Find the grade-point average. Assume A = 4, B = 3, C = 2, D = 1, and F = 0.     Grade Point Average (round to two decimal places): [GPA] Show work to receive partial credit.

The ratings for passers in a football league are: Show work to receive partial credit. Find the three quartiles for the ratings: Q1  [Q1] Q2  [Q2] Q3  [Q3]

Given the following energy consumption data (in quadrillion Btus),  Country Consumption A 119.9 B 101.8 C 35.1 D 11.8 E 23.3 What is the z-score for Country E? [zscore](round to the nearest tenth) Show work to receive partial credit.

The number of customers served by a restaurant on 40 consecutive days are   The number of customers representing the 75th percentile is [answer] Show work to receive partial credit.

The ratings for the ten leading passers in the league for 2009 regular season play are ranked in the table. Construct a box-and-whisker plot for the data in your work submission and label all aspects to get full credit. (2 pt) Then enter the following (round all answers to the nearest tenth): Minimum: [Min] Q1: [Q1] Q2: [Q2] Q3: [Q3] Maximum: [Max]  

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)  

A certain prescription drug is known to produce undesirable side effects in 25% of all patients who use the drug. Among a random sample of 8 patients using the drug, find the probability that exactly 3 have undesirable side effects.    P(x) = [probability] Enter probability decimal rounded to 3 places. Show work to receive partial credit.