A 95% confidence interval for the difference in the mean gpa's for all freshman and all sophomores has a lower limit of 0.57 and an upper limit of 0.89. If you were to run a hypothesis test to determine if there is a difference in the mean gpa's for all freshman and all sophomores, what would the decision be?

Accept the null

Fail to reject the null

There is not enough information to determine the answer.

Reject the alternative

Reject the Null

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step-by-step explanation:

∠cbe and ∠deb are same-side interior angles.

i took the test

1 number

if we use a graphing calculator, there is only one such number that satisfies the conclusion of the mean value theorem, that is, a number such that

where the right-hand side is the average rate of change of f on the interval [0.5,0.75], which is the slope of the secant line.

in the attached graph, the black line is the secant line which has its slope as the average rate of change of f on [0.5,0.75], while the orange line is the only tangent line to the graph of f in the interval that satisfies the mvt conclusion.

the answer is 13 cm