Mathematics, 22.10.2019 20:50 alexabdercmur
Shorney construction company bids on projects assuming that the mean idle time per worker is 72 or fewer minutes per day. a sample of 30 construction workers will be used to test this assumption. assume that the population standard deviation is 20 minutes. a. state the hypotheses to be tested. anderson, david r.. essentials of statistics for business and economics (p. 435). south-western college pub. kindle edition.
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