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Test the mean cholesterol content in the egg is greater than 2.5 percent
A certain brand of eggs claims that the eggs have reduced cholesterol content, with an average of only 2.5 percent cholesterol. A concerned health group wants to test whether the claim is true. The group believes that more cholesterol may be found, on the average in the eggs. A random sample of 100 eggs reveals a sample average content of 5.2 percent cholesterol and a sample standard deviation of 2.8 percent.
1. Is there strong evidence to Reject the null hypothesis that the brand of eggs is telling the truth?
2. Conduct a hypothesis test using a significance level of 0.10.
3. What is the P value?
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If the computed value for this problem is +2.33, and the level of significance is 0.05, can we conclude that the recall proportions for the two commercials are same?
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what is the probability that at least 8 of the words on the test are words that the student knows?
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