Question
A report prepared in 2017 by an insurance company revealed that 47% of people who participated in minor traffic accidents that year suffered at least
A report prepared in 2017 by an insurance company revealed that 47% of people who participated in minor traffic accidents that year suffered at least one other traffic accident in the five years prior to that date. This year a group of advisors decides to investigate this statement because it considers that the value has changed. A sample of 125 traffic accidents this year revealed that 44 people also participated in another accident in the previous five years. Show if the data reported in 2017 is still valid, with a significance of 0.01.
Options:
a) Reject Ho; Zo = -2.643; Zc = -2.576
b) Do not reject Ho; Zo = -2.689; Zc = -2.576
c) Reject Ho; Zo = -2.576; Zc = -2.689
d) Do not reject Ho; Zo = -2.576; Zc = -2.689
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