Mathematics, 28.05.2021 19:30 unknowntay04
200 workers can complete a pieces of work in 30 days. How many workers should be removed so that it will take 40 days to complete the work.
Explain step by step plz
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Answers: 2
Mathematics, 21.06.2019 16:30
You are remodeling your kitchen. youโve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles
Answers: 3
Mathematics, 21.06.2019 16:50
Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?
Answers: 3
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