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The cholesterol found in eggs is normally distributed with a mean of 200 mg. and a standard deviation of 8 mg.
A.The cholesterol found in eggs is normally distributed with a mean of 200 mg. and a standard deviation of 8 mg. If a sample of 30 eggs is selected at random, find the probability that the mean cholesterol is more than 205 mg. Round to 6 decimal places
B. The cholesterol found in eggs is normally distributed with a mean of 200 mg. and a standard deviation of 8 mg. If an egg is selected at random, find the probability that the egg contains more than 205 mg. i.e. Find
P(X >205). Round to 3 decimal places
C. In 1988 the mean expenses for college were $8000 with a standard deviation of $800. If 40 students were selected at random, what is the probability that the mean expenditure for this sample would be between 6120 and 7800? Round to 4 decimal places
