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Suppose the event of a student's application to a university being accepted follows the binomial probability and the successful rate is 80%. Please finish the following tasks?
(1) Determine the expected number of acceptances for the next 7 applicants and the standard deviation.
(2) What is the probability that among the next 9 applicants exactly 5 will be accepted?
a die is tossed 90 times. find the standard errror for the number of sixes
Find the probability that the patient survives the surgery and the heart damage heals I need step by step please
1 a random sample of 60 college graduates results in a mean time to graduate of 4.58 years with a standard deviation of
Assume that σ = .8 and the difference in means they wish to detect is .25. If they want to do a two-sided test of equal population means with a = .05 and β = .20, what sample size should they use?
The sample variance was s^2=16.0. does the sample show sufficient reason to conclude that the population standard deviation is not equal to 3 at the 0.05 level of significance? use the p-value method.
(i) What is the probability of rolling a 5, given that an odd number turns up. (ii) What is the probability of rolling an even number
Estimate the population standard deviation - Construct the X bar and s chart and Determine a 95% confidence interval for the population Cp
Which of the following equations would properly report the 95% confidence interval for the population coefficient?
Since they will be multiplying this average by the total number of customers to get an overall forecast, they would like to accurately estimate this average with a margin of error of less than $4000.
the relationship assumed linear between yield of bourbon y and aging time x was studied by observing yields yi from
If the names of these 100 people in the building are still unknown but a room is allowed to lodge one tenant at most , then are there how many ways of room occupation?
According to an article in USA Today, 90% of Americans will suffer from high blood pressure as they age. Out of 20 randomly chosen people what is the probability that at most 3 will suffer from high blood pressure?
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