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The Student Recreation Center wanted to determine what sort of physical activity was preferred by students. In a survey of 62 students, 39 indicated that they preferred outdoor exercise over exercising in a gym. The 99% confidence interval estimating the proportion of all students at the university who prefer outdoor exercise is given by which of the following?1) ( -0.47101 , 0.78706 )
2) ( 0.21294 , 0.52899 )
3) ( 0.56768 , 0.69038 )
4) ( 0.47101 , 0.78706 )
5) ( 0.48631 , 0.77175 )
Two groups of students are asked to rank their preference for six types of soft drinks. The following table shows their rankings.
Which of the given experiments can be modelled by Poisson distribution?
What value is standard deviation for this data? What type of probability is this?
Mention the critical value of test statistic (Or give the p-value of the test.)
Illustrate what does weighting add to usefulness of moving averages and explain how is it done. The yield on a thirty year treasury note at the end of every year since 1990 is recorded below.
What is the probability that a roulette ball will come to rest on an even number other than 0 and 00?
Find out the probability that: (a) The amount requested is between $65,000 or more?
As part of this trial, they want to find out whether there is a difference between effectiveness for women and for men. At = .05, what is the test value?
An automobile insurance company estimates the following loss probabilities for the next year on a $25,000 sports car:
Paired samples t-test for the given data - financial advice from the voluntary organization - A local voluntary organization affiliated to the Citizens Advice Bureau offers free financial advice to residents in the area who are registered debtors
Determine the p-value; and at 95% confidence, test the above hypotheses.
Increasing the confidence-interval level from .95 to .99
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