Create an account to track your scores
and create your own practice tests:
Test:GRE Subject Test: Chemistry
1. | Robert's work schedule for next week will be released today. Robert will work either 45, 40, 25, or 12 hours. The probabilities for each possibility are listed below: 45 hours: 0.3 40 hours: 0.2 25 hours: 0.4 12 hours: 0.1 What is the standard deviation of the possible outcomes? |
Popular Subjects
ACT Tutors in Atlanta,French Tutors in New York City,GRE Tutors in Denver,French Tutors in Phoenix,Statistics Tutors in Miami,西班牙Tutors in Phoenix,生物学教师in Houston,LSAT Tutors in Seattle,LSAT Tutors in Atlanta,SSAT Tutors in New York City
Popular Courses & Classes
SSAT Courses & Classes in San Francisco-Bay Area,ACT Courses & Classes in Phoenix,MCAT Courses & Classes in Chicago,ACT Courses & Classes in Dallas Fort Worth,Spanish Courses & Classes in Atlanta,SAT Courses & Classes in Dallas Fort Worth,SSAT Courses & Classes in San Diego,ISEE Courses & Classes in Atlanta,ACT Courses & Classes in San Francisco-Bay Area,SSAT Courses & Classes in Houston
Popular Test Prep
ACT Test Prep in Dallas Fort Worth,GRE Test Prep in San Francisco-Bay Area,SSAT Test Prep in Miami,GMAT Test Prep in Chicago,SAT Test Prep in Denver,GRE Test Prep in Miami,ACT Test Prep in San Francisco-Bay Area,ISEE Test Prep in Phoenix,GRE Test Prep in Los Angeles,GRE Test Prep in Denver