Professor nord stated that the mean score on the final exam from all the year he has been tachings is 79% colby was in his most recent class and his class mean score on the final exam was 82% colby decided to run ahypothesis test to determine if the mean score of his class was significantly greater than the mean score of the population 0 = .01 what is the mean score of the population? what is the mean score of the sample? is this test one- tailed or two tailed? why what is the null hypothesis in the case? if p = 0.29 should colby reject or fell to reject the null hypothesis

Suppose a holiday inn hotel has annual fixed costs applicable to its rooms of $1.2 million for its 300-room hotel, average daily room rents of $50, and average variable costs of $10 for each room rented. it operates 365 days per year. the amount of operating income on rooms, assuming an occupancy* rate of 80% for the year, that will be generated for the entire year is *occupancy = % of rooms rented

Which of the following businesses is most likely to disrupt an existing industry? a. closer connex developed an earphone that receives emails and text messages and converts them to voice messages. the first models had poor reception, but they rapidly improved over time. b. mega technologies reconfigured the components used in its touchscreen tablets to create a new type of wearable device for use in restaurants and other service industries. c. particle inc. developed a teleportation technology that can transport physical materials instantaneously across great distances. d. altrea added advanced camera technology to its premium line of smartphones so that they would take the highest-quality photos of all phones on the market.

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