Chapter 14 Quiz (Day 135)
Today in Stats, we take the Chapter 14 Quiz on Illuminate. But there's one question that I don't like based on how it confuses students during the pre-quiz VNPS review session in second period: A multiple-choice quiz has five questions and four answer choices per question. What is the probability of getting all five questions right by pure guessing? The answer, of course, is (1/4)^5. But if entered on a calculator, the answer is 9.765625E-4. Our TI calculators switch to E-notation as soon as the answer is less than 0.001 = 1/1000, which this answer just barely is (1/1024). I'm afraid that this E-notation might confuse students. I consider going onto Illuminate and changing the question right then and there, but I don't have time In fourth period. Instead of asking about a five-question quiz, I change it to just four questions. At any rate, I'm glad I did the VNPS before the quiz -- it helped the students and me. Speaking of VNPS, Fawn Nguyen wrote yest...