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The average length of hockey sticks produced at an assembly line is 185 cm with a standard deviation of 15 cm. Furthermore, it is known that the length of the hockey sticks is normally distributed.
1. What is the probability that a randomly selected hockey stick will have a length of at least 193 cm?
2. Fill in the blank: 12.5% of the hockey sticks produced are longer than _____ cm?
The average age of students in a career college is 28 years with a standard deviation of 12 years. It is known that the age of the students follows a normal distribution.
1. What is the probability that a randomly selected student is older than 32 years old?
2. Fill in the blank: 25% of the students are older than ______ years?
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