Students were asked what grades they usually get in school. For twelfth-grade students who responded to this question and the question about how often they wear seatbelts when driving, a summary of frequency counts for combinations of responses to the two questions is as follows. Wears Seatbelt Usual School Grades   A and B C D and F Total   Never 55 40 17 112   Rarely 129 95 21 245   Sometimes 168 109 9 286   Most times 290 129 25 444   Always 1,059 305 50 1,414 Total   1,701 678 122 2,501 (a) The total number of students in the table is 2,501. What percentage of these 2,501 students said that they usually get A's and B's in school? (Round your answer to one decimal place.) % (b) What percentage of the 1,701 students who said that they usually get A's and B's said that they always wear a seatbelt when driving? (Round your answer to one decimal place.) % (c) What percentage of the 678 students who said that they usually get C's said that they always wear a seatbelt when driving? (Round your answer to one decimal place.

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Students were asked what grades they usually get in school. For twelfth-grade students who responded to this question and the question about how often they wear seatbelts when driving, a summary of frequency counts for combinations of responses to the two questions is as follows.
Wears
Seatbelt
Usual School Grades  
A and B C D and F Total
  Never 55 40 17 112
  Rarely 129 95 21 245
  Sometimes 168 109 9 286
  Most times 290 129 25 444
  Always 1,059 305 50 1,414
Total   1,701 678 122 2,501
(a)
The total number of students in the table is 2,501. What percentage of these 2,501 students said that they usually get A's and B's in school? (Round your answer to one decimal place.)
%
(b)
What percentage of the 1,701 students who said that they usually get A's and B's said that they always wear a seatbelt when driving? (Round your answer to one decimal place.)
%
(c)
What percentage of the 678 students who said that they usually get C's said that they always wear a seatbelt when driving? (Round your answer to one decimal place.
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