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Question: BEVERAGE RESEARCH In a study of the scientific research on soft drinks, juices, and milk, 50 studies were fully sponsored by the food industry, and 30 studies were conducted with no corporate ties. Of those that were fully sponsored by the food industry, 14% of the participants found the products unfavorable, 23% were neutral, and 63% found the products favorable. Of those that had no industry funding, 38% found the products unfavorable, 15% were neutral, and 47% found the products favorable.
a. What is the probability that a participant selected at random found the products favorable?
b. If a participant selected at random found the product favorable, what is the probability that he or she belongs to a group that participated in a corporate-sponsored study?
Construct a 99% confidence interval for the average length of usage time to recharge.
The industry standard suggests that 10% of new vehicles require warranty service within the first year. Jones Nissan in Sumter, South California, sold 12 Nissans yesterday. What is the probability that none of these vehicles require warranty servic..
The A&M Hobby Shop carries a line of radio-controlled model racing cars. Demand for the cars is assumed to be constant at a rate of 40 cars per month.
Let (X,Y) have uniform distribution on the four points (-1,0), (0,1), (0,-1), (1,0). Show that X and Y are uncorrelated but not independent.
The man believes there'[s a 20% chance that the horse will win the first race and a 30% chance it will win the second one. Assuming that the two races are independent events, find the man s expected profit.
The data here are counts, so they are discrete, however, one might try to approximate the distribution with a continuous distribution. What distribution(s) might approximate the distribution of the data? What distribution(s) would not approximate..
Use the binomial distribution in the Data Analysis add - in to simulate the distribution of men and women among the next ten arrivals at an emergency room, assuming that, on average, six people out of ten who arrive are men.
A five-year old study claims that selling prices of new homes / condominiums in the New York area have a normal distribution with mean = $180,000 and standard deviation = $40,000.
Please complete the following assignment. For all questions, please respond in at least three complete sentences. 1. What was so different about Chinese religion and why? 2. What was similar about nearly all ancient religions and why?
a sample of the homes currently offered for sale revealed that the mean asking price is 75900 the median 70100 and the
The sampling by touch method is said to suffer from selection bias, in that the longer strings get chosen more often than the shorter ones.- What are the implications of this phenomenon in the case of sampling service times at the bank window?
Doing A/B testing on an ecommerce web site. I have been working on rule of thumb of 500 vistors through each page or 50 conversions on one of the page before ending the test and deciding which is the best page
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