An average computer mouse inspector can inspect 55 mice per hour with a population standard deviation of 8 mice per hour. the 40 computer mice inspectors at a particular factory can only inspect 50 mice per hour. does the company have reason to believe that these inspectors are slower than average at α = 0.10?

Employees who are paid to complete a task, such as build a house, are paid on a(n) basis

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The following pertains to smoke, inc.’s investment in debt securities: on december 31, year 3, smoke reclassified a security acquired during the year for $70,000. it had a $50,000 fair value when it was reclassified from trading to available-for-sale. an available-for-sale security costing $75,000, written down to $30,000 in year 2 because of an other-than-temporary impairment of fair value, had a $60,000 fair value on december 31, year 3. what is the net effect of the above items on smoke’s net income for the year ended december 31, year 3?