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A law enforcement agent blieves that 88% of drivers stopped on weekenbd nights are given tickets. In a sample of 180 drivers, 144 were given tickets. Would this indicate that the actual proportion of stopped drivers given tickets is not equal to .88? Use a 1% significance level.
Random sample of 64 lightbulbs indicates a sample mean life of 350 hours. At a 5% level of significance, is the mean life more than 375. Which of the following is your two hypotheses?
There is a statistical deception here. Explain what is deceptive about the bar graph.
Using the below information in a linear programing problem maximize the profit for product A and B. Provide how many of each product should be produced and what is the profit at that level?
Given that a respondent is over age 50, what is the probability that he or she gets news primarily from newspapers?
Bill is doing a project for you in the marketing department. In conducting his analysis regarding consumer behavior and a new product that has come out
Ccarry out a Z test using the five steps hypothesis testing with a two-tailed test at the .05 significance level, and make a drawing of the distributions involved.
Conduct the hypothesis test and provide the test statistic, critical value and/or P- value and state the conclusion.
Simplification by Factorization and finding domain-What happens when x is 6 or 3. What is the domain if x can only be 6 or 3?
How would you find normal approximation to the binomial probability in part a? please show how you would calculate mean and standard deviation in form for normal approximation to the binomial and show the final form you would use w/o going through..
Normal distribution what percentage of students will make A's and what percentage will make B;s in the exam. Suppose standard cut-off for (A>=90) and B (80
What is the probability that all 3 would iPods from best buy? Or at least one would have iPod from best buy?
Shank's Inc., a nationwide advertising firm, wants to know whether the size of an advertisement and the color of the advertisement make a difference in the response of magazine readers.
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