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In Alaska in 2010, the average critical reading SAT score was 518. Assume that the standard deviation is 100 and that SAT scores are normally distributed. Include an appropriately labeled and shaded Normal curve for each part.
a. What percentage of SAT takers in Alaska scored 500 or less?
b. What percentage of SAT takers in Alaska scored more than 518?
What is the radius of the smallest circle that can be chosen in order for there to be probability 0.99 that the point ( X, Y) will lie inside the circle?
The dataset Length.jmp contains a simple random sample of 50 stainless steel sheet metal screw from Crown Bolt
An unprepared student takes a 5-question true and false quiz and guesses every answer. Find the probability that the student will pass the quiz if at least 4 correct answers is the passing grade
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in a study of 420006 cell phone users 164 subjects developed brain cancer. test the claim that cell phone users
Assuming that a hypothesis test of the claim has been conducted and that the conclusion is to reject the null hypothesis, state the conclusion in nontechnical terms.
two distinct solid fuel propellants type a and type b are being considered for a space program activity. burning rates
the business college wants to know if their graduates are getting paid better than the teaching college. they take a
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In a sample of 1200 U.S. adults, 186 dine out at a restaurant more than once per week. Two U.S. adults are selected at random from the population
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