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Enterprise Industries has been running a television advertisement for Fresh liquid laundry detergent. When a survey was conducted, .21 of the individuals surveyed had purchased Fresh, .41 of the individuals surveyed had recalled seeing the advertisement, and .13 of the individuals surveyed had purchased Fresh and recalled seeing the advertisement.
a. What proportion of the individuals surveyed who recalled seeing the advertisement had purchased Fresh?
b. Based on your answer to part a, does the advertisement seem to have been effective? Explain.
Suppose the distribution of the cost of all trips is normal with an average of 112 dollars and a standard deviation of 11 dollars. What is the value of the cost that falls of the 7th percentile?
Examine the relationship between Traced by MedicalAid. Is there evidence that whether or not a child was traced is independent of whether the mother had medical aid
Individual data values or grouped data when creating a frequency distribution?
Assume grades in a course follow a normal distribution. The average grade in a class is 75, and the standard deviation is 5 points. A professor takes a sample of 10 people in the class and calculates the average for that class is also 75. IN other wo..
How much of each product do you recommend be produced that you believe maximizes revenue? How much revenue would be made if they followed your recommendation?
What is a discrete probability distribution? Explain in your own words. What conditions must be satisfied by the probabilities in a discrete probability distribution? Explain what these conditions mean.
If A and B are independent events, show the following (a) A and Bc are independent (b) Ac and Bc are independent
How are the degrees of freedom for the chi-square hypothesis tests different from those of most other hypothesis tests? In most previous hypothesis tests, the degrees of freedom have been based on sample size.
writenbspa 2 page critique of an online user manual. you can download a usernbspmanualuser guide for a product of your
Researchers conducting a clinical trial randomly assigned 60 patients with painful kneeosteoarthritis evenly into one of four treatment groups: glucosamine, chondroitin, Celebrex, orplacebo. After the study period, patients were asked if they experie..
What is an interaction? Describe an example and identify the variables within your population (work, social, academic, etc.) for which you might expect interactions?
Find the probability that the store will meet its goal during a particular week. Find the probability that the store will not meet its goal during a particular week.
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