SAT, 01.04.2020 07:55 giulianna41
The quality-control manager at a compact fluorescent light bulb factory need to determine whether the mean life of a large shipment of bulbs is equal to 7,500 hours. The population standard deviation is 1,000 hours. A random sample of 64 bulbs indicates a sample mean life of 7,250 hours. 1. Set the hypothesis, for matching this statement “Is there evidence that the mean life is difference from 7,500 hours?” 2. At 95% confidence, what is the estimation of population mean life of the bulbs? 3. Compute p-value. 4. Find the solution, by using level of significance = 0.05
Answers: 3
SAT, 29.06.2019 07:30
Simba travel agency arranges trips for climbing mount kilimanjaro. for each trip, they charge an initial fee of \$100$100 in addition to a constant fee for each vertical meter climbed. for instance, the price for climbing to the shira volcanic cone, which is 30003000 meters above the base of the mountain, is \$400$400. let f(d)f(d) denote the fee of a trip ff (measured in dollars) as a function of the vertical distance climbed dd (measured in meters). write the function's formula. f(d)=
Answers: 1
SAT, 29.06.2019 07:50
What are the four most common physiochemical changes that are used to determine time of death
Answers: 3
The quality-control manager at a compact fluorescent light bulb factory need to determine whether th...
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