Chemistry DrBob
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statistics
The population of SAT scores forms a normal distribution with a mean of µ =500 and a standard deviation of Ïƒ =100. If the average SAT score calculated for a sample of n = 25 students, a. What is the probability that the sample
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1,872 is what percent of 520? Is this correct: 1872/520=3.6 3.6 X 100= 360%
asked by unknown on July 25, 2009 
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I'm sorry the problems i posted had a couple of errors how i posted it here they are: Posted by DrBob222 on Friday, November 24, 2006 at 6:19pm in response to Math. Thanks for showing your work. It helps us to know where you are
asked by Jasmine20 on November 25, 2006 
probability and statistics
the population of sat scores forms a normal distribution with a mean of u=500 and a standard deviation of o=100. if the average sat score is calculated for a sample of n=25 students. a. what is the probability that the sample mean
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