Mathematics, 11.03.2021 22:00 angela563
The playing time X of classical CDs has the normal distribution with mean 54 and standard deviation 5. What percent of classical CDs have playing time between 44 and 54 minutes
Answers: 3
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Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?
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Mathematics, 21.06.2019 23:20
8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?
Answers: 3
The playing time X of classical CDs has the normal distribution with mean 54 and standard deviation...
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