Consider the probability that greater than 94 out of 149 people have not been in a car accident. Assume the probability that a given person has not been in a car accident is 61%.
Approximate the probability using the normal distribution. Round your answer to four decimal places.
We have here, n=149 and p=0.61
P[X>94]
=P[X>94.5].......................by using continuity correction.
=P[Z>0.61]
=1-0.7291.......................by using Z table.
=0.2709
Therefore, the probability that greater than 94 out of 149 people have not been in a car accident =0.2709 |
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