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Question - Texting and teens. A 2011 teen-driving study by Liberty Mutual Insurance and Students against Destructive Decisions (SADD) reports that 53% of the 2294 high school students surveyed say that they text while they drive at least sometimes, and 28% admit doing so often or very often.
(a) Construct a 90% confidence interval for the proportion of high school students who say that they text while driving at least sometimes.
(b) Construct a 90% confidence interval for the proportion of high school students who say that they text while driving often or very often.
MATH1550H: Assignment: Question: A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..
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MATH1550H: Assignment: Questions: Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.
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