Mathematics, 18.11.2019 19:31 celeste961
At western university the historical mean of scholarship examination scores for freshman applications is 900. a historical population standard deviation s=180 is assumed known each year, the assistant dean uses a sample of applications to determine whether the mean examination score for the new freshman applications has changed. a- state the hypothesesb- what is the 95% confidence interval estimate of the population mean examination score if a sample of 200 applications provided a sample mean of xbar=935 ? c- use the confidence interval to conduct a hypthesis test. using a=.05, what is your conclusion ? d-what is the p-value ?
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Mathematics, 21.06.2019 19:30
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Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6
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At western university the historical mean of scholarship examination scores for freshman application...
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