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Seventy percent of the students applying to a university are accepted. Using the binomial probability tables or Excel, what is the probability that among the next 18 applicants:
1. At least 6 will be accepted?
2. Exactly 10 will be accepted?
3. Exactly 5 will be rejected?
4. Fifteen or more will be accepted?
5. Determine the expected number of acceptances.
6. Compute the standard deviation.
Compute the confidence intervals of your data from the Week 4 Learning Team paper. Based on your confidence intervals.
Give the name of the kind of sampling that was most likely used in each of the following cases: a Wall Street Journal poll of 2,000 people to determine the president's approval rating
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let xi be a random variable distributed normal mean i amp variance i2. assume that the random variables x1 x2 and x3
what are some real life questions i can apply biostatistics principles to confidence intervals probability descriptive
the moment generating function of a random variable x is given by mxt 1418et38e2t14e4t . determine the probability that
raising your grade. suppose you have scores of 60706585 and 85 on exams in a sociology class.a. what is the mean of
The accounting department at Weston reports that it takes two construction workers a mean of 32 hours and a standard deviation of 2 hours... Determine the z values for 29 and 34 hrs. What percent of garages take between 32 and 34 hrs to erect.
it is decided to measure the resistance of sheets of a certain metal at temperatures x of 100k 200k 300k 400k and
Let x be average number of employees in group health insurance plan and y be average administrative cost as percentage of claims. Determine sample correlation coefficient.
Assuming that the difference of each pair is coming from an approximately normal distribu- tion, test if there is any difference in the individuals' driving ability under the two conditions. Use α = 0.05.
determine whether the following statement is true or false and explain briefly if a simple random sample is taken from
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