Question

1 The weight of cans of fruit is normally distributed with a mean of 1,000 grams and a standard deviation of 25 grams. What percent of the cans weigh 1075 grams or more?

1B. What percentage weighs between 925 and 1075 grams?

2. The weekly mean income of a group of executives is $1000 and the standard deviation of this group is $75. The distribution is normal. What percent of the executives have an income of $925 or less?

2B. What percent of the executive’s income is between $925 and $1100?

Answer 1

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