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A recent survey published in BusinessWeek concludes that Gatorade commands an 83% share of the sports drink market versus 11% for Coca-Cola's PowerAde and 3% for Pepsi's All Sport. A market research firm wants to conduct a new taste test for which it needs Gatorade drinkers. Potential participants for the test are selected by random screening of drink users to find Gatorade drinkers. What is the probability that
a. The first randomly selected drinker qualifies.
b. Three soft drink users will have to be interviewed to find the first Gatorade drinker.
the percentage of wins for the sacamento kings basketball team going into the playoffs for the 1996-97 season was
to find the sample size needed for a hypothesis test if ho mu10 ha mult10 sigma is unknown alpha 0.01 beta 0.05 and e
We desire the steady-state error to a step input to be approximately 5% and the phase margin of the system to be approximately 45°. Design a lag network to meet these specifications.
a large university wants to estimate what proportion of their full time math students are male. if a random sample of
Set up null hypothesis for associated F test.
A sample of 60 smokers has a mean cotinine level of 125. Assuming that sigma=25, find the 90% confidence level estimate of the mean cotinine level of all smokers.
Develop a probability for the number of students in the sample who watch soap operas.
Come up with a survey: Pick a population. Come up with 4 variablesà 2 Quantitative & 2 Qualitative (make up numbers)
The general format should be an introduction outlining the aspects you plan to explore and describing the data, the analysis itself, including plots, diagrams, and tables, and a discussion/conclusion section summarizing your findings. use R code i..
A doctor wants to estimate the HDL. How many subjects are needed to estimate the HDL within 3 points with a 99% confidence. Assuming s=13.9
Based on this sample information find out what percent of variation in starting salaries is described by GPA, and find out the equation that would forecast salary from GPA. Give a scatter plot.
Compute the sample sizes for Exercise 1 when the finite-population correction factor is ignored. What do you conclude about the importance of the finite population correction factor for this population?
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