Mathematics, 19.12.2019 01:31 Realieeee15
An engineer has designed a valve that will regulate water pressure on an automobile engine. the valve was tested on 110 engines and the mean pressure was 4.6 lbs/square inch. assume the standard deviation is known to be 0.8. if the valve was designed to produce a mean pressure of 4.5 lbs/square inch, is there sufficient evidence at the 0.02 level that the valve does not perform to the specifications?
Answers: 3
Mathematics, 21.06.2019 14:00, williams5847
Chanelle deposits $7,500 into the bank. she does not withdraw or deposit money for 6 years. she earns 6% interest during that time. what will the balance be when she is finally able to withdraw her money?
Answers: 1
Mathematics, 21.06.2019 23:00, miahbaby2003p2af1b
Prove that 16^4-2^13-4^5 is divisible by 11.
Answers: 1
An engineer has designed a valve that will regulate water pressure on an automobile engine. the valv...
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