1. A professor would like to assign grades such that 7% of students receive F\'s
ID: 2659479 • Letter: 1
Question
1. A professor would like to assign grades such that 7% of students receive F's. If the exam average is 62 with a standard deviation of 13, what grade should be the cutoff?
2. The owner of a seafood market determined that the average weight for a crab is 1.6lbs with a standard deviation of .4lbs. What weight is exceeded by 2% of all of the crabs? (assume the weights are normally distributed)
3. The weight of a jar of jelly is normally distributed with a mean of 16oz and a standard deviation of .02 oz. What is the probability that a jar of jelly contains more than 16.03oz?
4. The weight of a jar of jelly is normally distributed with a mean of 16oz and a standard deviation of .02 oz. What is the probability that a jar of jelly contains LESS than 16.00oz?
Explanation / Answer
50
67
45
32
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