An entrepreneur is considering the purchase of a coin-operated laundry. the current owner claims that over the past 5 years, the mean daily revenue was $675 with a standard deviation of $75. a sample of 30 days reveals a daily mean revenue of $625. if you were to test the null hypothesis that the daily mean revenue was $675, which test would you use?

Consider two similar industries, portal crane manufacturing (pcm) and forklift manufacturing (flm). the pcm industry has exactly three incumbents with annual sales of $800 million, $200 million and $100 million, respectively. the flm industry has also exactly three incumbents, with annual sales of $500 million, $450 million and $400 million, respectively. which industry is more likely to experience a higher level of rivalry?

1. what are the unique operational challenges to delivering fresh meals? 2. why is speed of delivery so important for delivered meals? what variety of options contribute to this performance metric? 3. how could operations management concepts be utilized to improve the performance of freshly? 4. what are your typical product delivery times? what would be required to speed these up? 5. what are your delivery batch quantities? how could you reduce batch size and reduce delivery cost simultaneously using operations management concepts?

Investors who put their own money into a startup are known as a. mannequins b. obligators c. angels d. borrowers