(b) A manufacturer of sports equipment has developed a new synthetic fishing line that is claimed to have a mean breakin

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(b) A manufacturer of sports equipment has developed a new synthetic fishing line that is claimed to have a mean breakin

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B A Manufacturer Of Sports Equipment Has Developed A New Synthetic Fishing Line That Is Claimed To Have A Mean Breakin 1
B A Manufacturer Of Sports Equipment Has Developed A New Synthetic Fishing Line That Is Claimed To Have A Mean Breakin 1 (22.02 KiB) Viewed 71 times
(b) A manufacturer of sports equipment has developed a new synthetic fishing line that is claimed to have a mean breaking strenght of 8 kg. To test the manufacturer's claim, that is, whether the mean breaking strenght is actually 8 kg or not, a sample of 12 lines is tested. The sample had a mean breaking strength of 7.8 kg and a standard deviation of 0.5 kg. Write down your null hypothesis and alternative hypothesis and then, using an appropriate distribution, test your null hypothesis against your alternative hypothesis at the 5% significance level.
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