Mathematics, 30.05.2020 20:57 anikakurup0
The operations manager at a compact fluorescent light bulb (CFL) factory needs to estimate the mean life of a large shipment of CFLs. The manufacturer’s specifications are that the population standard deviation is 1,000 hours. A random sample of 64 CFLs indicated a sample mean life of 7,500 hours.
Construct a 95% confidence interval estimate for the popu- lation mean life of compact fluorescent light bulbs in this shipment.
Answers: 1
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The ratio of blue cards to green cards is 2 to 5. there are 8 blue cards. complete the diagram and explain how you can find the number of green cards.
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Select the number of ways in which a line and a circle can intersect
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Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.
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The minimum height for riding on the super screaming spinner at the theme park is 52 inches. which of the following expressions shows the height to ride?
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The operations manager at a compact fluorescent light bulb (CFL) factory needs to estimate the mean...
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