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OSHA currently enforces an eight-hour time-weight Average (TWA) PEL of 90dBA, and uses a 5dB exchange rate. NIOSH recommends an eight-hour TWA exposure limit of 85dBA and a 3dB exchange rate. The 85dBA limit and 3dB exchange rate is also used as a threshold limit value (TLV) by the American Conference of Governmental Industrial Hygienists (ACGIH) as well as many European countries. Discuss using a 5dB exchange exchange rate versus a 3dB exchange rate in protecting workers hearing. Make a case for the use of either the 90dBA PEL and 5dB exchange rate or the 85dB REL and a 3dB exchange rate?
"A job in an insurance office involves telephone conversations with policyholders. The office man- ager estimates that about half of the employee's time is spent on the telephone.
A bicycle manufacturer makes two types of 21-speed bicycles, Road Bikes and Track Bikes. He has sales staff who sell the bikes on commission. Calculate the unit contribution margin for each product
The network is said to be robust if at least one of the three servers operate more than 2 years. What is the probability that the network is robust?
In-Home stability ratings of children and teenagers age 4 to 14 years who have been diagnosed with ADHD and who are being treated with neurotherapy differs from in-home stability ratings of children and teenagers age 4 to 14 years who have been di..
A statistics student wants to predict the annual salaries of employees at one large company. He wants to know if he can use the number of years that someone has worked at the company to predict his or her annual salary.
What amount the investor receives / pays on different days? Explain the outcome of the contract explaining the theoretical concepts of the different steps.
A person makes random guesses for 10 true-false questions on a test. Find the probability that the student answers at least one question correctly.
Given that R2 = 0.31, complete the ANOVA table. State conclusion about the regression relationship. Testing Hypothesis about the coefficients b3, b4, using alpha = 0.05.
a small town has a population of 20000 people. among these 2000 regularly visit a popular local bar. a sample of 225
The formal addition rule expressed the probability of a or b as follows: p(a or b) =p(a)+p(b)-p(a and b). Rewrite the expression for p(a or b) assuming that the addition rule uses the exclusive or instead of the inclusive or (recall that the exclusiv..
The ability to pay attention and the level of stimulation in the environment. how would a researcher work around this issue?
the central limit theorem says that when a simple sample of size n is drawn from any population with mean ? and
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