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X=the number of people who answer a question correct when 87 people are asked and the chance of getting the correct answer is 0.29.
Calculated the standard deviation of X. Keep all intermediate steps to four decimals
mitch thinks that there is a difference in quality of life between rural and urban living. he collects information from
Suppose that one was unsure about the 0.1 probability given above and want to estimate the probability of making an A. If a random sample of 30 students resulted in six who made A, what would you estimate the probability of making an A to be?
Assume each shot is independent of the others. If she shoots 6 arrows, what is the probability of each of the following results?
One sample of 16 third-graders had been taught to read by the "look-say" method. A second sample of 18 had been taught by the phonics method.
Suppose the company that has produced "Get Slim X" now produces an even better diet pill. This new and improved version is called "Get Super Slim X."
you plan to develop a new software system that you believe will surpass the success of google and facebook combined. in
Assuming that the average annual expenditure of all consumer units was $30,692 in 1994, test at the 5% signi?cance level whether the annual expenditure per consumer unit had really increased from 1994 to 1995.
a) What is the value of the sample proportion p? b) What is the standard error of the sample proportion?
What is the variable of interest?- Is this sample random? If so, justify your answer. If not, describe a technique to obtain a random sample.
In May 2016, the Economic Times reported that "Growth-oriented funds tend to exhibit strong returns within a short span of time."
Assuming that X is a binomial random variable with n = 10 and p = .20, find the probability for each of the following values of X:- X = 5.
Suppose distinct values are written on each of three cards, which are then randomly given the designations A, B, and C . The values on cards A and B are then compared. What is the probability that the smaller of these values is also smaller than t..
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