TABLE 6-5 a Company Producing Orange Juice Buys All Its Oranges from Oranges

question 174

Short Answer

TABLE 6-5
A company producing orange juice buys all its oranges from a large orange orchard. The amount of juice that can be squeezed from each of these oranges is approximately normally distributed with a mean of 4.7 ounces and some unknown standard deviation. The company's production manager knows that the probability is 30.85% that a randomly selected orange will contain less than 4.5 ounces of juice. Also the probability is 10.56% that a randomly selected orange will contain more than 5.2 ounces of juice. Answer the following questions without the help of a calculator, statistical software or statistical table.
-Referring to Table 6-5, what is the probability that a randomly selected orange will contain between 4.5 and 5.2 ounces of juices?