2. An article suggests a normal distribution with mean 130.8 oz and standard deviation 3.05 oz for the actual contents of jars of a certain type. The stated contents was 133 oz. a. What is the probability that a single jar contains less than the stated contents? b. Among eight randomly selected jars, what is the probability that the mean contents will be more than the stated contents? c. If twelve randomly selected jars are considered, what percent of mean content amounts will be less than 132.4 oz?

MATLAB: An Introduction with Applications
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2. An article suggests a normal distribution with mean 130.8 oz and standard deviation 3.05 oz for
the actual contents of jars of a certain type. The stated contents was 133 oz.
a. What is the probability that a single jar contains less than the stated contents?
b. Among eight randomly selected jars, what is the probability that the mean contents will
be more than the stated contents?
c. If twelve randomly selected jars are considered, what percent of mean content amounts
will be less than 132.4 oz?
Transcribed Image Text:2. An article suggests a normal distribution with mean 130.8 oz and standard deviation 3.05 oz for the actual contents of jars of a certain type. The stated contents was 133 oz. a. What is the probability that a single jar contains less than the stated contents? b. Among eight randomly selected jars, what is the probability that the mean contents will be more than the stated contents? c. If twelve randomly selected jars are considered, what percent of mean content amounts will be less than 132.4 oz?
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