A teacher knows that scores on one of her teata are heavily left skewed, with a mean score of 78 and a standard deviation of 18. She randomly selecta 15 grades and record the mean score. What is the shape of the distribution
of the sample mean for all possible random samples of size 15 from this population?
skewed lett
skewed right
approximately Normal
approximately uniform

Find the value of the variable and the length of each secant segment

Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?

Tim tradesman pays $2,000 annually for $125,000 worth of life insurance. what is the cash value of the policy after 10 years? 11,125 13,125 17,800 111,250