Category: Uncategorized

(Applying Two-Way Frequency Tables MC)A social media company tracked the professions of 290 users who watched different types of videos and displayed the data in a table. Beauty Tips Contests Interviews Reveals Artist 31 5 11 16 Student 29 15 19 14 Engineer 12 17 21 17 Nurse 8 23 29 23 Is being an engineer independent of watching interviews for these social media users? Justify your conclusion.

(Combinations and Permutations MC)A pet store has 13 types of dog treats. A customer purchases 3 different types of dog treats. Determine how many different 3-treat orders a customer can purchase.

(If…Then Statements MC)Given the conditional statement, determine the inverse statement.Statement: If it is summer, then some people are not drinking lemonade.

(Set Operations and Relations LC)Given A = {2, 6, 7, 8} and B = {2, 3, 9}, determine A x B.

(Addition and Multiplication Rules for Probability LC)P(A) = 0.63, P(B) = 0.41, and P(B | A) = 0.63. Are the events independent? Justify mathematically.

(Combinations and Permutations MC)A pet store has 14 types of dog treats. A customer purchases 3 different types of dog treats. Determine how many different 3-treat orders a customer can purchase.

(Conditional Probability LC)The probability of selecting a red marble is 0.41. The probability of selecting a red marble, given that the marble is glass, is 0.59. Interpret the outcome of the conditional probability.

(Logic and Truth Tables MC)Complete the truth table for the given logical statement: ∼p ∨ q

(Linear Models MC)Data collected from real estate agents were used to calculate the model ŷ = 87x + 108,620, where x represents the size of a house in square feet and ŷ represents the predicted selling price of the house in dollars. Using the model, predict the size of a house that sells for $375,000.

(Interpreting Data Distributions HC)Data were gathered and displayed in the stem-and-leaf plot. 1 5 7 7 8 2 0 0 1 2 4 4 5 7 8 9 3 0 1 2 2 2 4 5 8 8 4 1 2 3 4 5 8 9 5 0 1 5 6 6 1 3 9 Key: 1|5 represents 15 Part A: Identify the shape of the distribution. (2 point)Part B: Suppose an outlier is added to the data set. If the resulting mean is higher with the outlier than without, state a possible value of the outlier. Justify the answer. (4 points)Part C: Which measure is more appropriate to use to describe the shape of the distribution? Justify the answer based on the shape of the distribution. (4 points)