Mathematics, 10.12.2019 00:31 kordejah348
An srs of 400 high school seniors gained an average of ¯ x = 24.23 points in their second attempt at the sat mathematics exam. assume that the change in score has a normal distribution with standard deviation σ = 48.78 . we want to estimate the mean change in score μ in the population of all high school seniors.(a)give a 95% confidence interval for μ based on this sample.(b)based on your confidence interval in part (a), how certain are you that the mean change in score μ in the population of all high school seniors is greater than 0? (hint: does the interval in part (a) include
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Choose a second initial value that is 0.01 greater than the initial value from question 9. iterate it using the function, f, ten times. if necessary, you can round your results to the nearest ten-thousandth.
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An srs of 400 high school seniors gained an average of ¯ x = 24.23 points in their second attempt at...
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