Explain whether the stated hypothesesare correct or not.
Answer to Problem 10E
The hypotheses states in the problem is incorrect.
Explanation of Solution
Given Information:
Null hypotheses
Alternative hypotheses
By the null hypothesis,population
Thus,
By the alternative hypothesis, population mean value is less than 900.
Thus,
Since the null hypothesis, population mean value is equal to the 1000 and the alternative hypothesis population mean value is less than 900.
Hence, the hypotheses states in the problem is incorrect.
Chapter 9 Solutions
The Practice of Statistics for AP - 4th Edition
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