Firdaus works as a forestry officer. From his experience, he can walks along the designated trail in thick forest from site X to site Y in 20 minutes in average with variance of 12.25 minutes2. What is the probability that he would arrive at site Y from site X in the next timea) Within 23 minutes.b) More than 32 minutes.c) Between 24 and 32 minutes.d) From 16 to 24 minutes.e) Not less than 12 minutes.

Answered: Firdaus works as a forestry officer.…

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.7: Probability

Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....

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Firdaus works as a forestry officer. From his experience, he can walks along the designated trail in thick forest from site X to site Y in 20 minutes in average with variance of 12.25 minutes². What is the probability that he would arrive at site Y from site X in the next time

a) Within 23 minutes.

b) More than 32 minutes.

c) Between 24 and 32 minutes.

d) From 16 to 24 minutes.

e) Not less than 12 minutes.

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