A number of people were asked how many days they would wait to seek medical trea

Question

A number of people were asked how many days they would wait to seek medical treatment if they were suffering pain that interfered with their ability to work. The results are presented in the following table. Number of Days 0 2 3 4 5 Frequency 27 459 227 127 19 10 Consider this collection of people to be a population. Let X be the number of days for a person sampled at random from this population. Find the probability that a person would wait more than 2 days. Write only a number as your answer. Round to four decimal places (for example: 0.5319). Do not write as a percentage

Explanation / Answer

Total people = 27+459+227+127+19+10 = 869

P(X > 2) = P(X = 3) + P(X = 4) + P(X = 5)

= 127/869 + 19/869 + 10/869

= 156/869

= 0.1795

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