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A researcher wants to see if gender plays a role in whether a college student smokes. An analysis of survey data yields the following contingency table, chi-squared value, and p-value. Tabulated statistics: Gender, Smoke Cigarettes Rows: Gender Columns: Smoke Cigarettes No Yes All Female 119 7 126 Male 89 10 99 All 208 17 225 Cell Contents: Count Pearson Chi-Square = 1.640, DF = 1, P-Value = 0.200 a. What is the risk of smoking for Female students? b. What is the risk of smoking for Male students? c. What is the relative risk of males to females? d. What is the increased risk of males over females?
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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