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In: Statistics and Probability

5.Chromebooks.After schools closed for the remainder of the year, many school districts in Pa.were able to...

5.Chromebooks.After schools closed for the remainder of the year, many school districts in Pa.were able to issue Chromebooks to families. In a random sample of 150 families in the Abington School District, 120 reported that they were able to receive Chromebooks. In a random sample of 180 families in theDowningtownAreaSchool District, 130 were able to receive Chromebooks.

a. Perform a 99% confidence intervalforthe differencein the trueproportion of families who receive Chromebooksin Abington andDowningtown School Districts.

b. Based on your interval, is there a possibility that the difference between the two true proportionscould be zero? Explain your answer.

c. Based on your previous answers, what would be your conclusion of a difference between the true proportions? (Would you fail to reject, or reject?)

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