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Parking Lot ConstructionThe mayor of a small town
Chapter 6, Problem 22E(choose chapter or problem)
Parking Lot Construction The mayor of a small town estimates that 35% of the residents in the town favor the construction of a municipal parking lot. If there are 350 people at a town meeting, find the probability that at least 100 favor construction of the parking lot. Based on your answer, is it likely that 100 or more people would favor the parking lot?
Questions & Answers
QUESTION:
Parking Lot Construction The mayor of a small town estimates that 35% of the residents in the town favor the construction of a municipal parking lot. If there are 350 people at a town meeting, find the probability that at least 100 favor construction of the parking lot. Based on your answer, is it likely that 100 or more people would favor the parking lot?
ANSWER:Solution :
Step 1 of 1:
Let n denotes the total people is 350.
Let p denotes the residents in the town is 35% or 0.35.
We need to find q value.
q = 1-p
q = 1-0.35
q = 0.65
Hence, q=0.65.
The z-score is the value decreased by the mean np divided by the standard deviation .
The mean formula is