a) 53% b) 56% c) 58% d) 61% e) 63% Question 23: Out of the 500 students of a school, 30% wear glasses. Each quiz comprises 10 questions and are not timed. Probability and Statistics Probability and Statistics provides a curriculum focused on understanding key data analysis and probabilistic concepts, calculations, and relevance to real-world applications. Go down the checklist and try the sample problems. Leila arrives at the airport 3 hours before her flight to Chicago because each of the past 4 times she has travelled to the USA, it took her over 1. Answers to Genetics Quiz. same answer. Released Test Spring 2014 Answer Key Both of these answers, and only these answers, must be selected. A jar contains 12 caramels, 7 mints and 16 dark chocolates. The correct answer is Choice (A). Pre-Test Probability and Statistics 1. 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