1. The weight of cans of fruit is normally distributed with a mean of 1,000 grams and a standard deviation of 50 grams. What percent of the cans weigh 860 grams or less?
2). The mean amount spent by a family of four on food per month is $500 with a standard deviation of $75. Assuming that the food costs are normally distributed, what is the probability that a family spends less than $410 per month?
1. Need to find the z score for this data.
z = 860 - 1000/50
z = -2.80
Need to look at the area to the left of this value. ...
Complete worked through solutions for two statistics problems. Includes a reference for the required statistical table needed to complete the problems.