A company has developed a new battery, but the average lifetime is unknown. In order to estimate this average, a sample of 100 batteries is tested and the average lifetime of this sample is found to be 250 hours. The 250 hours is the value of a: O parameter O statistic O sampling frame O population

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Q: webassign.net/web/Student/Assignment Responses/last?dep 22597283 Apps HP Connected MyLab &…

A: (a)Given: n = 19, t = 3.1 and α = 0.05Degree of freedom (df) = n -1 = 19-1 = 18The p-value can be…