Engineering, 02.11.2019 03:31 Molly666
Abusiness school has a goal that the average number of years of work experience of its mba applicants is more than three years. historical data suggest that the variance has been constant at around six months, and thus, the population variance can be assumed to be known. based on last year’s applicants, it was found that among a sample of 47, the average number of years of work experience is 3.1. can the school state emphatically that it is meeting its goal? formulate the appropriate hypothesis test and conduct the test.
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Engineering, 03.07.2019 14:10
The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite
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Engineering, 04.07.2019 18:10
Coiled springs ought to be very strong and stiff. si3n4 is a strong, stiff material. would you select this material for a spring? explain.
Answers: 2
Engineering, 04.07.2019 18:10
Ajournal bearing has a journal diameter of 3.250 in with a unilateral tolerance of 20.003 in. the bushing bore has a diameter of 3.256 in and a unilateral tolerance of 0.004 in. the bushing is 2.8 in long and supports a 700-lbf load. the journal speed is 900 rev/min. find the minimum oil film thickness and the maximum film pressure for both sae 20 and sae 20w-30 lubricants, for the tightest assembly if the operating film temperature is 160°f. a computer code is appropriate for solving this problem.
Answers: 3
Engineering, 04.07.2019 18:10
Which of the following ziegler nichols tuning methods the response of the controller to a step input should exhibit an s-shaped curve? a)-open loop mode b)-closed loop mode c)-both modes (open & closed) d)-none of the modes (open & closed)
Answers: 3
Abusiness school has a goal that the average number of years of work experience of its mba applicant...
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