The manager of Woodstock's Pizza in Isla Vista classifies customers as regular, occasional, or new, and finds that of all customers 45%, 35%, and 20%, respectively, fall into these categories. The manager found that appetizers were ordered by 10% of the regular customers, by 40% of the occasional customers, and 25% of the new customers. What is the probability that a randomly chosen customer orders appetizers? Select one: O a. 0.5957 O b. 0.05 O c. None of the above O d. 0.40 O e. 0.235UCSB graduate students enroll in between @ and 4 classes per quarter, with the following probabilities Number of Classes 1 2 3 Probability 0.17 0.06 0.10 0.45 0.22 Find the mean number of classes taken per quarter Select one: O a. 1.00 O b. 3.15 O C. 2.49 O d. None of the above O e. 2.00UCSB graduate students enroll in between o and 4 classes per quarter, with the following probabilities Number of Classes 1 2 3 4 Probability 0.17 0.06 0.10 0.45 0.22 What is the probability that a graduate student will take either fewer than 2 classes or greater than 2 classes, but not exactly 2 classes? Select one: O a. None of the above O b. 0.90 O C. 0.67 O d. 0.10 O e. 0.23UCSB graduate students enroll in between 9 and 4 classes per quarter, with the following probabilities Number of Classes 1 2 3 4 Probability 0.17 0.06 0.10 0.45 0.22 Find the variance for the number of classes taken per quarter Select one: O a. 1.8299 O b. None of the above O C. 14.2301 O d. 8.03 O e. 1.3527