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Mathematics, 03.08.2019 02:10 lilquongohard

Amelting point test of n = 10 samples of a binder used in manufacturing a rocket propellant resulted in a sample mean of 153.5 °f. assume that the melting point is normally distributed with σ = 1.5°f. is it possible to conclude at 1% significance that the melting point is not 155°f? what is the value of zcalc ? report your answer in 3 decimal places.

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