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Mathematics, 30.06.2020 16:01, darlinsanchez08com
A study was conducted to test the amount of cholesterol (mg) consumed at breakfast in a certain population. Suppose this distribution is normal with a standard deviation of σ=50. In a random sample of 45 people from the population, the average conducted amount of cholesterol is equal to 215 (mg). 1) Check the one-sided test where the researcher wants to prove <220. Write down the value of the statistic, and formulate your conclusion. 2) Based on the previous section and without further calculation, it is possible to know what the decision will be in the two-sided test where it is claimed according to H0 that =220?
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