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Use a Euler diagram to determine whether the syllogism is valid or invalid:   Some caterpillars are furry. All furry things are mammals. ________________________________ Some caterpillars are mammals

These data represent the net worth (in millions of dollars) of 45 national corporations.  Find the relative frequency of each class.  Results Table Classes Frequency 10 – 20 2 21 – 31 8 32 – 42 15 43 – 53 7 54 – 64 10 65 – 75 3

Find the standard deviation of the set of values: 50, 20, 35, 50, and 28.

The average annual salary for all U.S. teachers is $47,750 with a standard deviation is $5680. If the salaries are normally distributed, what is the probability that a randomly selected teacher earns less than between $40,000 and $50,000?

Let U = {a, b, c, d, e, f, g, h, i, j, k, l}, A = {b, d, f, h}, B = {f, h, j, k}, and C = {b, j, l}. Find the following:  

The fishing club at Central New Mexico Community College has nine members. To determine club officers, nine slips of paper each containing the name of a member are placed into a hat. The club advisor randomly selects a first name from the hat to become the president, a second name to become the secretary, and a third name to become treasurer. How many different arrangements of club officers are possible?

Find the number of four-digit counting numbers containing at least one zero if repetition of digits is not allowed. 

Convert to decimal form.

List the proper subsets of the set: {a, b, c}

PARTIE ÉCRITE  A. Il fait quel temps?    Directions: Consider the following pictures. Select the appropriate response based on the question. Note that the picture is ABOVE each question!   1. Which weather expression describes the above picture? [1]    2. Which weather expression does NOT describe the above picture? [2]   3. Which weather expression describes the above picture? [3]   4. Which weather expression describes the above picture? [4]    5. Which weather expression describes the above picture? [5]