Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 19 Sep 2017 My Price 9.00

probability distribution of grade

Look at Figure 4-11, “Who’s Cracking the Books?”

(a) Does the figure show the probability distribution of grade records for male students? for female students? Describe all the grade-record probability distributions shown in Figure 4-11. Find the probability that a male student selected at random has a grade record showing mostly A’s.

(b) Is the probability distribution shown for all students making mostly A’s? Explain your answer.

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FIGURE 4-11 Who’s Cracking the Books?

to 1? Can Figure 4-11 be used to determine the probability that a student selected at random has mostly A’s? Can it be used to determine the probability that a female student selected at random has mostly A’s? What is the probability?

(c) Can we use the information shown in the figure to determine the probability that a graduating senior has grades consisting of mostly B’s or higher? What is the probability?

(d) Does Figure 4-11 give sufficient information to determine the probability that a student selected at random is in the age range 19 to 23 and has grades that are mostly B’s? What is the probability that a student selected at random has grades that are mostly B’s, given that he or she is in the age range 19 to 23?

(e) Suppose that 65% of the students at State University are between 19 and 23 years of age. What is the probability that a student selected at random is in this age range and has grades that are mostly B’s?

Answers

Maurice Tutor
(5)
Status NEW Posted 19 Sep 2017 06:09 AM My Price 9.00

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