Amount of fat grams in the signature sandwich

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1. Suppose that scores on a national exam are normally distributed with mean µ = 500 and standard deviation U 100. Ninety percent of test takers will score less than what score on the exam?

2. A local deli chain makes a signature sandwich. Suppose that the amount of fat grams in the signature sandwich is a normally distributed random variable with mean µ = 16 grams and standard deviation σ =1.5 grams. Find an amount of fat grams such that 50 percent of the sandwiches have no more than that many fat grams.

Reference no: EM131870220

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