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A study done by researchers at a university concluded that 80% of all student athletes in this country have been subjected to some form of hazing. The study is based on responses from 1100 athletes. What are the margin of error and? 95% confidence interval for the? study?
The margin of error is:
?(Round to the nearest thousandth as? needed.)
Find the? 95% confidence interval for the study:
Show that this is the distribution of the number of failures before the first success in Bernoulli (p) trials.
According to the U.S. Bureau of Labor Statistics, the annual percentage increase in U.S. college tuition and fees in 1995 was 6.0%, in 1999 it was 4.0%.
The block is now lifted to a height 3a/2 above the floor and released from rest. Find the compression of the spring when the block first comes to rest.
Specific Effects of Aging on Learning Proper Names," published in Psychology and Aging in September 2004, describes an experiment
Discuss any ONE of the seven Analytical Activities. What is most interesting to you about this activity?
While 60 of the children's books are nonfiction. If a book is selected at random, find the probability of selecting the following not a children's nonfiction.
The first three digits of a university telphone exchange are 452. if all the sequences of the remaining four digits are equally likely, what is the probability that a randomly selected universtiy phone number contains seven distinct digits?
Find 95% confidence interval for the population variance in the cost of renting a limousine for the entire day.- Find a 95% confidence interval for the standard deviation in the cost of renting a limousine for the entire day.
it is your birthday and you are waiting for someone to write you a birthday message on facebook. on average on your
Compute the mean and the standard deviation of the CEO salaries, in thousand of dollars, rounded to 2 decimal places.
(a) What proportion of time is the system shut down? (b) What is the (limiting) averaging number of components that are being repaired?
What percent of the days actually lie within one standard deviation of the mean? Comment.
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