Grace read 9 books in 3 months what was her rate of reading Books per month
2 answers:
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Answer:
Step-by-step explanation:
We are given the following in the question:
Population mean, μ = 550
Sample size, n = 250
Alpha, α = 0.05
Population standard deviation, σ = 120
The mean GMAT score for all test takers is 550.
The researcher believes that the mean scores in the Philippines who are interested in pursuing graduate management education will be less than 550.
We design the null and the alternate hypothesis
in the following manner:
The null hypothesis states that the sample is taken from the population and have a mean score of 550, while the alternate hypothesis states the researcher's claim that the sample of Philippines does not belong to the population and have mean score less than 550.