SHOW WORK PLEASE Q7 from below Suppose that in your city 40% of the voters are r
ID: 3054028 • Letter: S
Question
SHOW WORK PLEASE
Q7 from below
Suppose that in your city 40% of the voters are registered as NDP 30% as Conservatív as Libera{and % as members of other parties Voters not aligned with any official party are termed Andependent." You are conducting a poll by calling registered voters at random. In your es, 20% 7. // the probability you talk to no NDP is (A) 0.400 (B) 0.600 rho ND 0 OLCLO Motor vehicle crashes is the leading cause of death for people between 4 and 33 years old. To estimate the true mean speed of vehicles on Pembina Highway, the local police placed a radar speed detector by the side of the Highway and recorded the speed of vehicles on the Highway. A 95% confidence interval of the mean vehicle speed traveling on Pembina Highway is found to be (45.5, 69.5) mph (miles/hour). This means that (A) 95% of all vehicles traveling on Pembina Highway drive at a speed between 455 and 695 (B) there is 95% chance that a randomly selected vehicle traveling on Pembina Highway will mph. have a speed between 45.5 and 69.5 mph. 95% of all samples will have an average speed between 45.5 and 69.5 mph.Explanation / Answer
P(NDP) = 0.40
Hence,
P(No NDP) = 1 - 0.40 = 0.60
Therefore,
P(No NDP in first three calls)
= (0.60)3
= 0.216
Option D is correct.
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