Question
Exxon is claiming that the cost of a barrel of oil is $50. They sampled 200 barrels of oil. Using a significance level of .05:
Exxon is claiming that the cost of a barrel of oil is $50. They sampled 200 barrels of oil. Using a significance level of .05:
Step 4: Formulate the decision rule.
a. Reject H0 if -1.64 > z > 1.64
b. Reject H0 if -196 > z > 1.96
c. Reject H0 if -2.58 > z > 2.58
d. Reject H0 if z > 1.96
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College Algebra Graphs and Models
Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna
5th edition
321845404, 978-0321791009, 321791002, 978-0321783950, 321783956, 978-0321845405
