A city planner surveyed 158 residents. For each, the planner recorded whether th

Q: A city planner surveyed 158 residents. For each, the planner recorded whether th

for above: a)P(resident lives alone) =81/158= 0.51 b) P(not own a car or lives alone)=(38+10+43)/158=0.58 alone not alone total car 38 67 105 no car 43 10 53 total 81 77 158

ID: 3072072 • Letter: A

Question

A city planner surveyed 158 residents. For each, the planner recorded whether the resident owns a car and whether the resident lives alone. The results are summarized in the table below. Alone Not alone Car 38 67 No car 43 10 Suppose a resident from the survey is chosen at random. Answer each part. Do not round intermediate computations, and round your answers to the nearest hundredth. (a) What is the probability that the resident lives alone? (b) What is the probability that the resident does not own a car or lives alone?

Explanation / Answer

for above:

a)P(resident lives alone) =81/158= 0.51

P(not own a car or lives alone)=(38+10+43)/158=0.58

alone not alone total car 38 67 105 no car 43 10 53 total 81 77 158

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