Among 2050 randomly selected male car occupants over the age of 8, 86% wear seatbelts. Among...
Among 2050 randomly selected male car occupants over the age of 8, 86% wear seatbelts. Among 2800 randomly selected female car occupants over the age of 8, 76% wear seat belts. Use a 0.1 significance level to test the claim that both genders have the same rate of seat belt use. Does there appear to be a gender gap?
Does there appear to be a gender gap?
A.There appears to be a gender gap because there is a significant difference in the proportions.
B.There appears to be a gender gap because there is not a significant difference in the proportions.
C.There does not does not appear to be a gender gap because there is a significant difference in the proportions.
D.There does not appear to be a gender gap because there is not a significant difference in the proportions.
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Among 2050 randomly selected male car occupants over the age of
8, 86% wear seatbelts. Among...
Among drivers who have had a car crash in the last year, 250 were randomly selected and categorized by age, with the res...
Among drivers who have had a car crash in the last year, 250 were randomly selected and categorized by age, with the results listed in the table below. Age Under 25 25-44 45-64 Over 64 Drivers 98 56 38 58 If all ages have the same crash rate, we would expect (because of the age distribution of licensed drivers) the given categories to have 16%, 44%, 27%, 13% of the subjects, respectively. At the 0.025 significance level, test the claim...
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