Sampled students live on campus
At a large university it is known that 40% of the students live on campus. The director of student life is going to take a random sample of 200 students. What is the probability that more than half of the sampled students live on campus?
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John Beale of Stanford, CA, recorded the speed of cars driving past his house where the speed limit read 20 mph. The mean of 1000 readings was 23.84 mph, with a standard deviation of 3.56 mph. How many Standard Deviations from the mean would a car
There are two multiple choice questions on a quiz and a student answers the two questions at random. Each question has four possible choices with only one correct answer. What is the conditional probability that he picked the correct answer on bot
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A game is said to be fair if the expected value for winnings is 0, that is, in the long run, the player can expect to win nothing. Consider the following game. The game costs $1 to play and the winnings are $5 for red, $3 for blue, $2 for yellow a
Their scores on the test are 15, 14, 20, 20, 25, 22, 21, 19, 16, 17, 21, 22. What statistical test should be used to analyze the data?
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