The data in the following table show the association between cigar smoking and death from cancer for 137,273 men. Note: current cigar smoker means cigar smoker at time of death.Click the icon to view the table.(a) If an individual is randomly selected from this study, what is the probability that he died from cancer?(b) If an individual is randomly selected from this study, what is the probability that he was a current cigar smoker?Data Table(c) If an individual is randomly selected from this study, what is the probability that he died from cancer and was a current cigar smoker?(d) If an individual is randomly selected from this study, what is the probability that he died from cancer or was a current cigar smoker?Died fromDid Not DieCancerfrom CancerNever smoked cigars118,3348,292805Former cigar smoker69Current cigar smoker1709,603PrintDone

Given data is Died from cancer Did Not Die from cancer Total Never smoked cigars 805 118334…

Answered: The data in the following table show…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A marketing agency wanted to determine if a new commercial changed people's opinion about a company. They recruited n=30 participants to watch the commercial. First, everyone was givien a survey to determine their attitudes toward the company. Then, everyone watched the new commercial. Finally, they were given the same survey again and asked about their attitudes toward the comapny after seeing the commercial. The agency wanted to see if attitudes were changed by the commercial. What statistical test should they use?
What percent of females thought that they were almost certain to be married in the next 10 years?
The expected relative frequency of a particular outcome is?
A researcher wants to see if police officers’ enthusiasm for their jobs changes after having endured a horrific event (such as killing someone or being shot). She tests a group of officers who have endured such an event and another group that has not on a measure of job satisfaction. What test should she run? Is it one-tailed or two-tailed test?
You want to examine the relationship between dropping out of high school and delinquency. You have a random sample of 11 students. You have the number of delinquent offenses that each student reported committing in the year before and after dropping out of school. The following table shows the data. Student Before dropping out After dropping out 1 5 7 2 9 5 3 2 3 4 7 7 5 8 11 6 11 13 7 8 4 8 8 10 9 5 7 10 2 1 11 9 3 From performing a hypothesis test to determine if the mean number of delinquent differs after dropping out, what is the obtained t?
# 3. Use Minitab to simulate 1000 rolls of five dice. Find the number of times that the sum of the five dice is exactly 20. Enter that value here. frequency approach to estimate the probability of getting a 20 when five dice are rolled. Enter the estimated probability here. Based on that result, use the relative Write a sentence or two explaining the difference (advantage or disadvantage) of the classical approach to probability compared to the relative frequency approach to probability. Refer to the results from #1, 2, 3 above in your explanation.
Please help with question 11 with explanation Thank you
Español According to previous studies, 10% of the U.S. population is left-handed. Not knowing this, a high school student claims that the percentage of left-handed people in the U.S. is 12%. The student is going to take a random sample of 900 people in the U.S. to try to gather evidence to support the claim. Let p be the proportion of left-handed people in the sample. Answer the following. (If necessary, consult a list of formulas.) (a) Find the mean of p. 0.12 (b) Find the standard deviation of p. X 5 (c) Compute an approximation for P(p≤0.12), which is the probability that there will be 12% or fewer left-handed people in the sample. Round your answer to four decimal places. A 27
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The table below provides another look at the data presented in item 1. This table includes a third variable, stone size, making a three-way table (i.e. two 2 X 2 tables). ô อิ = 1 Stones size Small = kidney stones. Find and 1 2 Large 1 Outcome Success Failure Success Failure Let represent the odds ratio for the 2 X 2 table for small kidney stones, and let represent the odds ratio for the 2 X 2 table for large Round your answers to 2 places after the decimal. Treatment A 81 6 2 192 71 Treatment B 234 36 55 25 2
Does it seem to you that people tend to be absent more on some days of the week than on others? Recently, a major biotechnology firm collected data with the hope of determining whether or not its employees were more likely to be absent on some weekdays than on others. The firm examined a random sample of 130 employee absences. The distribution of these 130 absences is shown in the table below. The observed frequency for each category (each weekday) is shown in the first row of numbers. The second row of numbers contains the frequencies expected for a sample of 130 employees if employee absences at the firm are equally likely on each of the five weekdays. The bottom row of numbers contains the following value for each of the categories.
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