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b) Events A and B are: O mutually exclusive since, P(A n B) = 0 marks not mutually exclusive, since P(A n B) # 0

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b) Events A and B are: O mutually exclusive since, P(A n B) = 0 marks not mutually exclusive, since P(A n B) # 0 nswered O not mutually exclusive since, P(An B) # P(A) . P(B) not mutually exclusive, since P(A n B) = 0 marks O mutually exclusive since, P(A n B) # P(A) . P(B) not mutually exclusive since, P(A n B) = P(A) . P(B) swered O mutually exclusive since, P(A n B) = P(A) . P(B) mutually exclusive since, P(A n B) # 0 marks swered Submit part marks swered 1 mark marks Unanswered swered marks C) swered The monthly electricity expenditure of the residence has a bell-shaped distribution with a mean of R5000 and a standard deviation of marks R250. swered Answer the following by using the Empirical Rule: marks . Calculate the approximate probability that the monthly electricity expenditure is: swered o less than R4750: Round your answer to 3 decimal places. marks o between R4500 and R5250: Round your answer to 3 decimal places. wered . An electricity expenditure of approximately lower than R per month, may be regarded as an outlier. marksA residence at the university has a total of n = 10 students, labelled and listed in the following sample space S ={ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. . A total of 4 students have Financial Accounting namely A = { 1, 6, 7, 10}. . A total of 3 students have Business Management namely B = {4, 8, 10}. a The homeowner decides to draw a Venn diagram of the sample space. Identify the following 4 events by choosing the correct set of elements: Note: Marks will be subtracted for incorrect choices. {2, 3, 5, 9} {10} {1,7} {4, 8} {8} {2, 3,5} {1, 6, 7} AnB An B' A'n B OO A'n B' Submit part

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