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the breaking strength of a

In a sample of 100 steel wires the average breaking strength is 50 kN, with a standard deviation of 2 kN.a. Find a 95%
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A manufacturer of sports equipment claims that the new fishing line has a mean breaking strength of at least 8 kilograms. Test
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The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 145 and a variance of 4.
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The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 145 and a variance of 4.
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2. asked by Mary Ann
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the breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 125 and a variance of 25.
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the breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 125 and a variance of 25.
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The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 125 and a variance of 25.
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2. asked by leelee kay
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The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 173 and a variance of 9.
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The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 165 and a variance of 16.
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The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 172 and a variance of 9.
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