Biologists have found that the number of chirps some crickets make per minute is related to temperature. The relationship is very close to being linear. At 70 degrees the cricket chirps 140 times, and at 80 degrees the cricket chirps 160 times. Model the situation with an equation in Slope Intercept Form

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Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).