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Each sweat shop worker at a computer factory can put together 4.3 computers per hour on average with a standard deviation of 0.9 computers. 45
Each sweat shop worker at a computer factory can put together 4.3 computers per hour on average with a standard deviation of 0.9 computers. 45 workers are randomly selected to work the next shift at the factory. Round all answers to 4 decimal places where possible and assume a normal distribution.
- What is the distribution ofX
- X
- ?X
- X
- ~ N(,)
- What is the distribution of
- x
- x
- ?
- x
- x
- ~ N(,)
- What is the distribution of
- x
- x
- ?
- x
- x
- ~ N(,)
- If one randomly selected worker is observed, find the probability that this worker will put together between 4.2 and 4.3 computers per hour.
- For the 45 workers, find the probability that their average number of computers put together per hour is between 4.2 and 4.3.
- Find the probability that a 45 person shift will put together between 189 and 193.5 computers per hour.
- For part e) and f), is the assumption of normal necessary?YesNo
- A sticker that says "Great Dedication" will be given to the groups of 45 workers who have the top 20% productivity. What is the least total number of computers produced by a group that receives a sticker?minutes (round to the nearest computer)
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