Mathematics, 24.12.2019 23:31 mairimespinal
Two different alloys are being considered for making lead-free solder used in the wave soldering process for printed circuit boards. a crucial characteristic of solder is its melting point, which is known to follow a normal distribution. a study was conducted using a random sample of 21 pieces of solder made from each of the two alloys. in each sample, the temperature at which each of the 21 pieces melted was determined. the mean and standard deviation of the sample for alloy 1 were = 218.9
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Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?
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Two different alloys are being considered for making lead-free solder used in the wave soldering pro...
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