Question: A food processor packages orange juice in small jars. The weights of the filled jars are approximately normally distributed with a mean of 10.5 ounces

A food processor packages orange juice in small jars. The weights of the filled jars are

approximately normally distributed with a mean of 10.5 ounces and a standard deviation

of 0.3 ounces. Using the normal distribution function in Excel, solve the following.

(a) Find the proportion of all jars packaged by this processor that have weights that fall

above 10.85 ounces.

(b) Find the probability that a randomly selected jar will have a weight that falls

between 10.2 and 10.8 ounces.

(c) The company that produces the jars wishes to identify the jar weight that represents

the 91th percentile in the distribution. Find the jar weight.

Please make clear explanations since i try to understand it by myself :(

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