Mean and variance of number of students who watch game
A television station estimates that 60% of college students watch the Super Bowl. For a sample of 120 students selected at random, what is the mean and variance of the number of students who watch this game?
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If 70 percent of a target market sample of 80 people are aware of a brand name, what the standard error of proportion for this study is approximately:
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You have been commissoned to produce a program to help run the membership of a Sport club.The club has very special requirements,and it turns out that the design of the program will use a queue,a stack and a sorted linked list
For a sample of 120 students selected at random, what is the mean and variance of the number of students who watch this game?
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In a brand awareness study of 80 consumers, 52 of them were able to identify "Corolla" as a type of Toyota automobile. what the chi-square value for a test of this brand awareness was approximately:
Given an end-diastolic volume of 150ml an endsystolic volume of 50ml and a heart rate of 60 bpm what is the cardiac output?
A random sample of 15 statistics textbooks has a mean price of $105 with a standard deviation of $30.25. Determine whether a normal distribution or a t-distribution should be used or whether neither of these can be used to construct a confidence i
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