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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