The following frequency distribution provides a certain condition prevalence a.

Question

The following frequency distribution provides a certain condition prevalence a. Determine the number of outcomes (regions) that constitute the event frequency distribution for 65 regions. (not C) Event (not C) has regions b. Determine the number of outcomes (regions) that constitute the event -under 5 5- under 6 6- under 7 7- under 8 8 -underf9 9- under 10 10-under 11 12 (A & B) Event (A & Bj has regions. c. Determine the number of outcomes (regions) that constitute the event 14 A event that has a prevalence of at least 8% B event that has a prevalence of less than 7% C-event that has a prevalence of at least 5% but less than 10% D event that has a prevalence of less than 9% (C or D). Event (C or D) has regions. d. Determine the number of outcomes (regions) that constitute the event (C & B). Event (C & B) has regions

Explanation / Answer

Total outcomes = 9 + 12 + 17 + 14 + 8 + 3 + 2 = 65

a) Event (not C) = 11
Event (not C) = Total outcomes - Event C
Event (not C) = 65 - (12 + 17 + 14 + 8 + 3)
Event (not C) = 65 - 54
Event (not C) = 11

b) Events (A & B) = 0

Events (A & B) = Events common to A and B

Events (A & B) = there is no common event between both A and B

Events (A & B) = 0

c) Events (C or D) = 63

Events (C or D) = Events in either C or D

Events (C or D) = (9 + 12 + 17 + 14 + 8 + 3)

Events (C or D) = 63

d) Events (C and D) = 29

Events (C and D) = Events common to C and D

Events ( C and D) = (12 + 17)

Events ( C and D) = 29

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