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First people's Bank of Central City would like to improve their loan application process. In particular, currently the amount of time required to process loan applications is approximately normally distributed with a mean of 18 days. Measures intended to simplify and speed the process have been identified and implemented. Were they effective? Test the appropriate hypothesis at the 1% significance level if a sample of 25 applications submitted after the measures were implemented gave an average processing time of 15.2 days and a standard deviation of 2 days. Use both the p-value and the critical value approach.
"Strategizing for the future" is management lingo for sessions that help managers make better decisions.- Test the effectiveness of the program, using α = 0.05.
another one i need these corrected so i can figure the correct way. please helpdf is wrong can not pool variances when
a statewide survey of 1706 california adultsrsquo residents include the following question would you favor or oppose
Calculate the probability a customer waits: less than 32 seconds, more than 120 seconds, between 40 and 65 seconds
Is presidential rhetoric regarding popular mandates inconsistent with this fact of presidential selection? Should the Electoral College be reformed or abolished
Which one of the following would indicate a portfolio is being effectively diversified?
question 1.when drawing a rectangle or creating a rectangular object a particular ratio of width to length is thought
Among the women, 6 have red/green color blindness. Test the claim that men have a higher rate of red/green color blindness.
the comfort widget company makes severtal different widgets. the smallest widget the company manufactures has a mean
Acme plumbing supply just received a shipment of 5,000 stainless steel valves, but 50 regular steel valves were also sent. There is no way to tell the difference between the valves.
Let E be the event that the number which comes up when a single die is tossed is divisible by 3. Let X be the number of times that event E occurs in 3 tosses of the die.
Don't do drugs! Cocaine addicts need cocaine to feel any pleasure, so perhaps giving them an antidepressant drug will help. A three-year study with 72 chronic.
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