Maurice Tutor

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About Maurice Tutor

Levels Tought:
Elementary,Middle School,High School,College,University,PHD

Expertise:
Algebra,Applied Sciences See all
Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
Teaching Since: May 2017
Last Sign in: 408 Weeks Ago, 3 Days Ago
Questions Answered: 66690
Tutorials Posted: 66688

Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 08 Jul 2017 My Price 11.00

nonfatal occupational injuries

Q1.A survey of 200 college graduates who have been working for at least 3 years found that 90 owned only mutual funds, 20 owned only stocks, and 70 owned both.

a. What is the probability that an individual owns a stock? A mutual fund?

b. What is the probability that an individual owns neither stocks nor mutual funds?

c. What is the probability that an individual owns either a stock or a mutual fund?

 

 

Q2.A study of nonfatal occupational injuries in the United States found that about 31% of all injuries in the service sector involved the back. The National Institute for Occupational Safety and Health (NIOSH) recommended conducting a comprehensive ergonomics assessment of jobs and workstation’s. In response to this information, mark Glass-Meyer developed a unique ergonomic handcart to help field service engineers be more productive and also to reduce back injuries from lifting parts and equipment during service calls. Using a simple 382 field service engineers who were provided with these carts. Mark collected the following data.

Year 1 Year2

Average call time 8.27 hours 7.98 hours

Standard deviation 1.36 hours 1.21 hours

Call time

Proportion of back Injuries 0.018 0.010

Find the 95% confidence intervals for the average call times and proportion of back injuries in each years. What conclusions would you reach based on your results?

Answers

Maurice Tutor
(5)
Status NEW Posted 08 Jul 2017 08:07 AM My Price 11.00

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