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QUESTION FIVE M. At Zambia ICT college, 79% of the of student population were born in Ndola, 20% in the rest of the on the Copperbelt (Except Ndola) and the remaining 1% in Zambia (Except the copperbelt). Two people are selected at random. a. Using your graph paper, represent the above information on a tree diagram b. Find the probability that at least one of these people was born in Ndola. c. Find the probability that both of these people were born on the rest of the copperbelt given that neither was born in the rest of Zambia. d. Using Boolean laws, show that [(A U B) – (A nB)]' = Ø

QUESTION FIVE M. At Zambia ICT college, 79% of the of student population were born in Ndola, 20% in the rest of the on the Copperbelt (Except Ndola) and the remaining 1% in Zambia (Except the copperbelt). Two people are selected at random. a. Using your graph paper, represent the above information on a tree diagram b. Find the probability that at least one of these people was born in Ndola. c. Find the probability that both of these people were born on the rest of the copperbelt given that neither was born in the rest of Zambia. d. Using Boolean laws, show that [(A U B) – (A nB)]' = Ø

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
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QUESTION FIVE MA At Zambia ICT college, 79% of the of student population were born in Ndola, 20% in the rest of the on the Copperbelt (Except Ndola) and the remaining 1% in Zambia (Except the copperbelt). Two people are selected at random. a. Using your graph paper, represent the above information on a tree diagram b. Find the probability that at least one of these people was born in Ndola. c. Find the probability that both of these people were born on the rest of the copperbelt given that neither was born in the rest of Zambia. d. Using Boolean laws, show that [(A U B) - (An B)]' = Ø The equation x2 + 2px + (3p + 4) = 0, where p is a positive constant, has equal roots e. Find the value of p For this value of p, solve the equation x2 + 2px + (3p + 4) = 0
Transcribed Image Text:QUESTION FIVE MA At Zambia ICT college, 79% of the of student population were born in Ndola, 20% in the rest of the on the Copperbelt (Except Ndola) and the remaining 1% in Zambia (Except the copperbelt). Two people are selected at random. a. Using your graph paper, represent the above information on a tree diagram b. Find the probability that at least one of these people was born in Ndola. c. Find the probability that both of these people were born on the rest of the copperbelt given that neither was born in the rest of Zambia. d. Using Boolean laws, show that [(A U B) - (An B)]' = Ø The equation x2 + 2px + (3p + 4) = 0, where p is a positive constant, has equal roots e. Find the value of p For this value of p, solve the equation x2 + 2px + (3p + 4) = 0
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