Severity: Warning
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Filename: drivers/Session_files_driver.php
Line Number: 176
Backtrace:
File: /home/answnniz/public_html/index.php
Line: 315
Function: require_once
Severity: Warning
Message: session_start(): Failed to read session data: user (path: /home/answnniz/public_html/system/sessions)
Filename: Session/Session.php
Line Number: 143
Backtrace:
File: /home/answnniz/public_html/index.php
Line: 315
Function: require_once
Oscar feels sick and goes to the doctor. His doctor tells him that based on the symptoms there is an 80% chance he has hepatitis, and the doctor wants to do a simple blood test to confirm this diagnosis. The blood test is 95% accurate for people with hepatitis, but only 90% accurate for people without hepatitis. If the blood test comes back positive for hepatitis, then what is the probability that Oscar actually has hepatitis?