Q14: The tensile strength of manila ropes The tensile strength of manila ropes follows a normal distribution. A random sample of 16 manila ropes has a sample mean strength 4450 kg and sample standard deviation 115 kg.Suppose that we want to test whether the mean strength of manila rope is less than 4500 kg. At a significance level a - 0.05, the value of the test statistic and the conclusion for this test are:

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Q: Q.2 Since lichen is a major source for Alaskan caribou, and caribou is major food source for the…

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Q: A sporting goods store believes the average age of its customers is 37 or less. A random sample of…

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Q: The scores of students on the SAT college entrance examinations at a certain high school had a…

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Q: 1. A local mini market sells one-kilogram packs of sugar. There are complaints that the weight of…

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Q: 5. In an Oreo factory, the mean mass of a cookie is given as 40 g. For quality control, the standard…

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Q: 2. The average credit card dept for a recent year was P43,100. Three years earlier the average…

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Q: MO22. A textile fiber manufacturer is investigating a new drapery yarn, which the company claims has…

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Q: A sample of n = 16 scores has a mean of M = 56 and a standard deviation of s = 12. a. Explain what…

A: Given data, n=16 M=56 s=12