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, 21.06.2019 15:30
Step 1 of 2 : find the two-period moving average for year 2008. if necessary, round to one more decimal place than the largest number of decimal places given in the data.yeardeaths200017133200117382200215001200311312200415261200513367200614693200716731200813735
Answers: 1
SAT, 25.06.2019 01:00
Cricket team of india australia and pakistan participant in 20-20 match . find the probability that india wins .
Answers: 1
SAT, 26.06.2019 09:30
Alex is the head photographer for the yearbook and the newspaper. she has a large staff of assistant photographers because they need to take pictures at all of the school events. she knows that some of her photographers have better cameras and can take action shots at sporting events, and that some of them are good at taking candid pictures in the hallways. she sets firm deadlines so she has enough time to look through all of the shots and choose the best ones. she gives her photographers constructive feedback to them improve their pictures. respectful enforcer warlord doormat peacemaker
Answers: 1
SAT, 27.06.2019 08:30
Ahands-free device may only be used if it can be activated or deactivated with a
Answers: 1
The quality-control manager at a compact fluorescent light bulb factory need to determine whether th...
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