The marginal cost with respect to x if the joint cost function for two products is C ( x , y ) = y ln ( x + 1 ) dollars.

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Why the correct answer is letter A? Students in an online course are each randomly assigned to receive either standard practice exercises or adaptivepractice exercises. For the adaptive practice exercises, the next question asked is determined by whether the studentgot the previous question correct. The teacher of the course wants to determine whether there is a differencebetween the two practice exercise types by comparing the proportion of students who pass the course from eachgroup. The teacher plans to test the null hypothesis that versus the alternative hypothesis , whererepresents the proportion of students who would pass the course using standard practice exercises andrepresents the proportion of students who would pass the course using adaptive practice exercises.The teacher knows that the percent confidence interval for the difference in proportion of students passing thecourse for the two practice exercise types (standard minus adaptive) is and the percent…

Answer 1

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Chapter 14.3, Problem 12E

(a)

To determine

To calculate: The marginal cost with respect to x if the joint cost function for two products is C(x,y)=yln(x+1) dollars.

(b)

To determine

To calculate: The marginal cost with respect to y if the joint cost function for two products is C(x,y)=yln(x+1) dollars.

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