The following information is for Cullumber Inc. for the year ended December 31, 2021: Common shares,...

 

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The following information is for Cullumber Inc. for the year ended December 31, 2021: Common shares, Jan. 1 Common shares issued during year Retained earnings, Jan, 1 Office expense Dividends declared Rent expense Service revenue Utilities expense Salaries expense Income tax expense $16,800 8,400 48,720 1,344 4,200 10,416 51,240 2,016 25,200 2,520 [5] In March of 2020, universities moved their courses online in response to the isolation conditions resulting from COVID-19. Subsequently, universities observed an increase in the number of Academic Integrity cases. A study of 90 students at CalTech (a small university- CTU2), showed that 10 students had guilty results in their Academic Integrity cases. Suppose a group 25 of these students is randomly selected for a more in-depth study. a. [2] What is the probability that exactly 3 of these 25 students had been found guilty of an Academic Integrity offense? b. [3] What is the probability that more than one of these 25 students had a guilty result? The following information is for Cullumber Inc. for the year ended December 31, 2021: Common shares, Jan. 1 Common shares issued during year Retained earnings, Jan, 1 Office expense Dividends declared Rent expense Service revenue Utilities expense Salaries expense Income tax expense $16,800 8,400 48,720 1,344 4,200 10,416 51,240 2,016 25,200 2,520 [5] In March of 2020, universities moved their courses online in response to the isolation conditions resulting from COVID-19. Subsequently, universities observed an increase in the number of Academic Integrity cases. A study of 90 students at CalTech (a small university- CTU2), showed that 10 students had guilty results in their Academic Integrity cases. Suppose a group 25 of these students is randomly selected for a more in-depth study. a. [2] What is the probability that exactly 3 of these 25 students had been found guilty of an Academic Integrity offense? b. [3] What is the probability that more than one of these 25 students had a guilty result?

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