تم الحل ✓
categoryإحصاء
schoolبكالوريوس
event_available2026-07-15
السؤال
Transcribed Image Text:
Some research suggests that Jeopardy! contestants are more likely to come from certain locations.
Random samples of contestants were obtained from each of the last two seasons, Identifying players
from eastern U.S., western U.S., or Canada. The data are summarized in the following table. Suppose
we would like to test If the proportions of contestants from each location are the same between
seasons.
Location
Western U.S.
Eastern U.S.
Canada
Total
Season
34
35
Total
19
164
183
29
113
142
31
108
139
79
385
464
a) To test if the proportions of contestants from each location are the same between seasons, what
would be the most appropriate null and alternative hypotheses?
Select one:
O Ho: season and contestant location are independent vs. HA: season and contestant location are
not independent
Ho: the proportions of locations are the same between contestants vs. HA: there is some
differences in proportions of locations between contestants
Ho: contestant location proportions are the same within each season vs. HA: there are some
differences between contestant location proportions within each season
a) To test if the proportions of contestants from Bau jua
would be the most appropriate null and alternative hypotheses?
Select one:
Ho: season and contestant location are independent vs. HA: season and contestant location are
not independent
O Ho: the proportions of locations are the same between contestants vs. HA: there is some
differences in proportions of locations between contestants
Ho: contestant location proportions are the same within each season vs. HA: there are some
differences between contestant location proportions within each season
Ho: the proportions of contestants are the same between locations vs. HA: there is some
differences in proportions of contestants between locations
Ho: season and contestant location are dependent vs. HA: season and contestant location are
Independent
b) Refer to the previous question. In calculating the numerical value of the appropriate test statistic in
this problem, what is the expected number of contestants from Canada in Season 34?
Select one:
O117.823
115.334
differences in proportions of contestants between locations
Ho: season and contestant location are dependent vs. HA: season and contestant location are
Independent
b) Refer to the previous question. In calculating the numerical value of the appropriate test statistic In
this problem, what is the expected number of contestants from Canada In Season 34?
Select one:
117.823
115.334
151.843
31.157
23.666
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