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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | May 2017 |
| Last Sign in: | 402 Weeks Ago, 3 Days Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
6.88 Laser surgery to fix shortsightedness is becoming more popular. However, for some people, a second procedure is necessary. The following table lists the joint probabilities of needing a second procedure and whether the patient has a corrective lens with a factor (diopter) of minus 8 or less. Vision Corrective Factor of More Than Minus 8 Vision Corrective Factor of Minus 8 or Less First procedure is successful .66 .15 Second procedure is required .05 .14 a. Find the probability that a second procedure is required. b. Determine the probability that someone whose corrective lens factor is minus 8 or less does not require a second procedure. c. Are the events independent? Explain your answer.
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