Mathematics, 10.01.2020 06:31 joebiden1
Atype of thread is being studied for its tensile strength properties. fifty pieces were tested under similar conditions, and the results showed an average tensile strength of 78.3 kilograms and a standard deviation of 5.6 kilograms. assuming a normal distribution of tensile strengths, give a lower 95% prediction limit on a single observed tensile strength value. in addition, give a lower 95% tolerance limit that is exceeded by 99% of the tensile strength values.
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