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You flip a coin 60 times. You get heads 45 times and tails 15 times. Calculate a 95% Confidence Interval for the true population value. Calculate a 95% Confidence Interval for the proportion of heads. Show your work for both answers.
A company has just manufactured 1694 CDs and 376 are defective. If 9 of these CDs are randomly selected for testing, what is the probablity that the entire batch will be accepted?
a bag contains ten transistors of those transistors three are defective. if at random we select two transistorsa find
Suppose that the distribution of calories is approximately normal with o = 10. Find the probability that a randomly selected chocolate bar will have a) Between 200 and 220 caloies.
the thickness of wafers in semiconductor manufacturing has a mean of 10 micrometers and standard deviation of 0.8
an important application of regression analysis in accounting is in the estimation of cost. by collecting data on
a study of 200 computer service firms revealed these incomes after taxesincome after taxesnumber of firmsunder 1
conduct a web search for order statistics. find and post an example of an experiment that uses order statistics and
consider a bag that contains 224 coins of which 6 are rare. for the given pair of events a and b complete part a and b.
Discuss the strengths and weaknesses of correlational and regression studies; discuss concepts such as positive and negative correlations, correlation coefficients, confounding, and causality.
an interaction affect that is not significant indicates thata. the influence of one factor is not the same for each
A company has 25 cars of this model in its fleet. What is the level L such that the probability that the average NOX level for the fleet is greater than L is only 0.01?
An automobile manufacturer has a new model that they claim gets 27 miles per gallon. A consumer testing agency chooses 50 of these cars and finds that the sample mean is 25 miles per gallon and the sample standard deviation (s) is 3 miles per gall..
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