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Question: Marketing and Consumer Behavior. A successful company usually has high brand-name and logo recognition among consumers. For example, Coca-Cola products are available to 98% of all people in the world, and may have the highest logo recognition of any company. A software firm developing a product would like to estimate the proportion of people who recognize the Linux penguin logo. Of the 952 randomly selected consumers surveyed, 132 could identify the product associated with the penguin.
a. Is the distribution of the sample proportion, P^, approximately normal? Justify your answer.
b. Find a 95% confidence interval for the true proportion of consumers who recognize the Linux penguin.
c. The company will market a Linux version of their new software if the true proportion of people who recognize the logo is greater than 0.10. Is there any evidence to suggest the true proportion of people who recognize the logo is greater than 0.10? Justify your answer.
Determine the values on the 3-sided die so that the outcome probabilities for rolling the two dice described above match exactly the outcome probablities for rolling two standard (6-sided) dice.
Suppose a defective part was detected at the inspection station. What is the probability that this defective part is due to human error?
State the null and alternative hypotheses.- Perform a permutation test based on the sample correlation. Report the P-value and draw a conclusion.
A sample of 64 observations is selected from a normal population. The sample mean is 215, and the population standard deviation is 15. Conduct the following test of hypothesis using the .025 significance level.
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for a t random variable with 5 degrees of freedom find a such that pt gt a .975. answer to three decimal places and
Among the 790 of those parents whose teenage children had Internet access, 85% had rules about the kinds of Internet sites their teens could visit. That looks like a difference, but can we tell? Explain why a two-sample z-test would not be appropr..
let x be a discrete random variable with possible values x ?1012 and probability function fx kx3 0.15 for x ?1012.a
identify a pair of variables for which you would expect to see a strong correlation but not a cause-and-effect
a certain species of fish has a weight which is normally distributed with mean u 2kg and standard deviation 0.3 kg.
A company buys 100 lightbulbs, each of which has an exponential lifetime of 1000 hours. What is the expected time for the first of these bulbs to burn out?
As the video titled "Melissa Forman - Hilarious Resume Typos" (4 min 55 s) located at https://www.youtube.com/watch?v=FClWySJ6Sxs demonstrates it is very important to avoid mistakes when writing resumes and cover letters.
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