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You plan to conduct a marketing experimentin which students are to taste one of two different brands of soft drink. Theirtask is to correctly identify the brand tasted. You select a random sample of200 students and assume that the students have no ability to distinguishbetween the two brands. (Hint: If an individual has no ability to distinguishbetween the two soft drinks, then the two brands are equally likely to beselected.)
A. What is the probability that the sample will have between 50% and 60% of the identifications correct?
c.What is theprobability that the sample percentage of correct identifications is greaterthan 65%?
A fair die is thrown 10 times. What is the probability of getting 6 in 4 throws?
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The number of gallons of paint that Home Depot sells in a given day is normally distributed with a mean of 160 gallons and a standard deviation of 55 gallons (I realize that the distribution is probably different for weekends compared to weekdays, bu..
On any given flight, an airline's goal is to fill the plane as much as possible without overbooking. If, on average, 10% of customers cancel their tickets, all independently of each other, what is the probability that a particular flight will be o..
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A quality control engineer at a potato chip company tests the bag-filling machine by weighing bags of potato chips. Not every bag contains exactly the same weight. But if more than 15% of bags are overfilled, then they stop production to fix the mach..
1. The scores of students on the ACT college entrance examination in a recent year had a normal distribution with a mean of 18.6 and a standard deviation of 5.9. A simple random sample of 60 students who took the the exam is selected for study.A) Wha..
Construct and interpret a 95% confidence interval estimate of the difference in the mean measurements in-lineand from an analytical lab.
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