Mathematics, 05.05.2020 01:55 bxbysoso
The amount of time it takes a mechanic to rebuild the transmission for a 2015 Cavalier car is being studied. A random sample of 36 mechanics who rebuild that transmission has a sample mean of 8.7 hours with a sample standard deviation of 2.1 hours. Construct a 90% confidence interval of the population mean time it takes a mechanic to rebuild the transmission. State the requirements, find the confidence interval to 2 decimal places, write a sentence that correctly interprets the confidence interval.
Answers: 3
Mathematics, 21.06.2019 18:00
In triangle β³abc, β abc=90Β°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.
Answers: 1
Mathematics, 21.06.2019 19:00
How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset
Answers: 1
Mathematics, 21.06.2019 21:00
George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?
Answers: 2
The amount of time it takes a mechanic to rebuild the transmission for a 2015 Cavalier car is being...
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