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Researchers conducted a study to find out if there is a difference in the use of...

Researchers conducted a study to find out if there is a difference in the use of online- learning by different age groups. Randomly selected participants were divided into two age groups. In the 16- to 29-year-old group, 7% of the 628 surveyed use online- learning, while 11% of the 2,309 participants 30 years old and older use online learning.

(Set 1 for 16-29 year old group; set 2 for 30 years old and older)

38) Find

39) Find

40) Find the p-value of 2-prop-z-test

41) Decision and conclusion:

42) The alternative hypothesis test is

43) Find

  14P3=

44) Find

4C2=

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