Mathematics, 11.12.2019 20:31, mashcroft2002
The heat evolved in calories per gram of a cement mixture is approximately normally distributed. the mean is thought to be 101.1 and the standard deviation is 5.8. we wish to test upper h subscript 0 baseline colon mu equals 101.1 versus upper h subscript 1 baseline colon mu not-equals 101.1 with a sample of n=9specimens.
(a) if the acceptance region is defined as 98< xbar< 102, find the type 1 error probability α.
(b) find β for the case where the true mean heat evolvedis 103.
(c) find β for the case where the true mean heat evolvedis 105. this value of β is smaller than the one found in part(b) above. why?
Answers: 1
Mathematics, 21.06.2019 21:40, carson5238
If angle b measures 25°, what is the approximate perimeter of the triangle below? 10.3 units 11.8 units 22.1 units 25.2 units
Answers: 2
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