On a given day, the price of a gallon of milk had a mean price of 2.16 with a standard deviation
of 0.07. A particular food store sold milk for 2.09 /gallon. Interpret the z-score for this gas
station.
A) The milk price of this food store falls 7 standard deviations below the mean milk price of
all food stores.
B) The milk price of this food store falls 7 standard deviations above the mean milk price of
all food stores.
C) The milk price of this food store falls 1 standard deviation above the mean milk price of
all food stores.
D) The milk price of this food store falls 1 standard deviation below the milk gas price of all
food stores.
Question 2
A recent survey found that 61 of all adults over 50 wear glasses for driving. In a random
sample of 70 adults over 50, what is the mean and standard deviation of the number who wear
glasses? Round to the nearest hundredth when necessary.
A) mean: 42.7; standard deviation: 6.53 B) mean: 27.3 ; standard deviation: 4.08
C) mean: 27.3 ; standard deviation: 6.53 D) mean: 42.7; standard deviation: 4.08
Elementary particles included in the Standard Model
standard reduction potential (Eo), the greater the tendency of the oxidized form of a redox couple
Which one is more healthier? DARK, MILK or WHITE chocolate
Low-fat milk provides a whole host of nutrients
The Plunger and Barrel of a Standard Syringe
The retail price of a packaged CD is $60.00, which includes a tax of 4%. What is the actual ...