1401 Words6 Pages

| COMSATS Institute of Information TechnologyDepartment of Mathematics | Course Title: | Business Maths & Stats (MTH469) | Class: MBT-3- A, B, C | Resource Person: | Muhammad Hamid Mahmood | Submission: will be informed in class |
Assignment # 2
Q1 | What is the preferred way for people to order fast food? A survey was conducted in 2009, but the sample sizes were not reported. Suppose the results, based on a sample of 100 males and 100 females, were as follows:If a respondent is selected at random, what is the probability that he or she a. prefers to order at the drive-through? b. is a male and prefers to order at the drive-through? c. is a male or prefers to order at the drive-through? d. Explain the difference in the*…show more content…*

d. What is the probability that the owner believes neither that the economy is a challenge for growth nor that finding qualified workers is a challenge for growth? | | | Q6 | A study by Peter D. Hart Research Associates for the Nasdaq Stock Market revealed that 43% of all American adults are stockholders. In addition, the study determined that 75% of all American adult stockholders have some college education. Suppose 37% of all American adults have some college education. An American adult is randomly selected. a. What is the probability that the adult does not own stock? b. What is the probability that the adult owns stock and has some college education? c. What is the probability that the adult owns stock or has some college education? d. What is the probability that the adult has neither some college education nor owns stock? e. What is the probability that the adult does not own stock or has no college education? f. f. What is the probability that the adult has some college education and owns no stock? | | | Q7 | A study by Becker Associates, a San Diego travel consultant, found that 30% of the traveling public said that their flight selections are influenced by perceptions of airline safety. Thirty-nine percent of the traveling public wants to know the age of the aircraft. Suppose 87% of the traveling public who say that their flight selections are influenced by perceptions of airline safety wants to know

d. What is the probability that the owner believes neither that the economy is a challenge for growth nor that finding qualified workers is a challenge for growth? | | | Q6 | A study by Peter D. Hart Research Associates for the Nasdaq Stock Market revealed that 43% of all American adults are stockholders. In addition, the study determined that 75% of all American adult stockholders have some college education. Suppose 37% of all American adults have some college education. An American adult is randomly selected. a. What is the probability that the adult does not own stock? b. What is the probability that the adult owns stock and has some college education? c. What is the probability that the adult owns stock or has some college education? d. What is the probability that the adult has neither some college education nor owns stock? e. What is the probability that the adult does not own stock or has no college education? f. f. What is the probability that the adult has some college education and owns no stock? | | | Q7 | A study by Becker Associates, a San Diego travel consultant, found that 30% of the traveling public said that their flight selections are influenced by perceptions of airline safety. Thirty-nine percent of the traveling public wants to know the age of the aircraft. Suppose 87% of the traveling public who say that their flight selections are influenced by perceptions of airline safety wants to know

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