The competing hypotheses for a particular hypothesis test are as follows: H 0 : > 2000
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The competing hypotheses for a particular hypothesis test are as follows: H0: μ > 2000 Ha: μ < 2000 A random sample of size 100 is taken from the target population. The sample mean is 1955. Assume the population standard deviation is known to be 150.
Based on the sample result, can we reject the null hypothesis? Use a significance level of .01.
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Step 1 H 0 2000 H a 2000 Step 2 Well use z stat for the s...View the full answer
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Related Book For 
Understanding Business Statistics
ISBN: 978-1118145258
1st edition
Authors: Stacey Jones, Tim Bergquist, Ned Freed
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