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1. A public opinion poll asked 518 Ontario adults the question: "Would you support Candidate X as an Ontario provincial leader?" and 233 of the adults answered "yes." You are asked to do the one sample Z test about the population proportion, p, to determine if this represents evidence, a=0.05, that less than half of the population of Ontario provincial leader? Don't do the test, but state
a. The critical value(s)
b. The calculated (observed) value of Z
2. Bacteria in hamburger are distributed throughout the meat. Suppose that a large batch of hamburger has an average contamination rate of 0.3 bacteria per gram and the count of bacteria is well modeled by Poisson distribution. (a) What is the probability that a 5-gram sample will contain exactly 2 bacteria? (b) Samples of hamburger weighing 3 grams are taken every 20 minutes. What is the probability that there be at least one bacteria in each of the next two 3-gram samples?
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..
MATH1550H: Assignment: Question: what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?
MATH1550H: Assignment: Question: Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form
MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?
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.
Caselet on McDonald’s vs. Burger King - Waiting time
Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.
Problems on Sampling Variability and Standard Error and Confidence Intervals
Estimate the population mean
Conduct a marketing experiment in which students are to taste one of two different brands of soft drink
Find out the probability
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