One​ year, the mean age of an inmate on death row was years. A sociologist wondered whether the mean age of a​ death-row inmate has changed since then. She randomly selects ​death-row inmates and finds that their mean age is ​, with a standard deviation of . Construct a​ 95% confidence interval about the mean age. What does the interval​ imply?

Explanation is in the file

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answer is c

step-by-step explanation:

81/12=324/x

x=48

c = 0.429t

step-by-step explanation:

the constant rate at which carlos harvests cassava is 35 minutes per 15 cassavas 15/35 = 0.429 cassava per minute

therefore, an equation that models the number of cassava (c) that harvest carlos in a time (t) is the following:

where t is the time in minutes.

this means that when 35 minutes have elapsed 15 cassava have been harvested, at 70 minutes 30 cassava have been harvested and so on.