The mean breaking strength of yarn used in manufacturing drapery material is required to be at least 100 psi. Past experience has indicated that the standard deviation of breaking strength is 2.3 psi. A random sample of 9 specimens is tested, and the average breaking strength is found to be 100.6 psi. Calculate the P-value

a: 1/6, j: 1/4

step-by-step explanation: you are welcome

answer by yourhope:

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180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)

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step-by-step explanation: