Mathematics, 25.10.2021 08:10 awesomegrill
the mean lifetime of a sample of 150 torch bulbs produced by a company is computed to be 400 hours with a standard deviation of 80 hours . if m is the mean lifetime of all the bulbs produced by the company, test the hypothesis m=450 hours against m=450 hours at 5% level of significance.
Answers: 1
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Adifferent website gives the cost for the first train as £56.88 and the second train as £20.11 with a £9.50 charge for cycle storage for the whole trip. how much would the journey cost you?
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Mathematics, 21.06.2019 17:30, markkessler7149
It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest
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Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000
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Mathematics, 22.06.2019 00:00, enevjordan
What is 617.3 miles and each gallon of gas the car can travel 41 miles select a reasonable estimate of the number of gallons of gas karl used.
Answers: 1
the mean lifetime of a sample of 150 torch bulbs produced by a company is computed to be 400 hours w...
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