K A stem-and-leaf plot for the number of touchdowns scored by all Division 1A football teams is shown below. Complete parts (a) through (c). 1345788 Key: 115=15 201223457889 3001112233445577789 40012234555567889 50 235578 61367 7 87 (Round to three decimal places as needed.) (c) If a team is selected at random, find the probability the team scored more than 79 touchdowns. (Round to three decimal places as needed.) Are any of these events unusual? Select all the unusual events below. A. Scoring between 40 and 49 touchdowns inclusive is unusual. B. Scoring at least 30 touchdowns is unusual. C. Scoring more than 79 touchdowns is unusual. D. None of the events are unusual.

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Author:Amos Gilat
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Chapter1: Starting With Matlab
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K
A stem-and-leaf plot for the number of touchdowns
scored by all Division 1A football teams is shown below.
Complete parts (a) through (c).
1345788
Key: 115=15
201223457889
3001112233445577789
40012234555567889
50 235578
61367
7
87
(Round to three decimal places as needed.)
(c) If a team is selected at random, find the
probability the team scored more than 79
touchdowns.
(Round to three decimal places as needed.)
Are any of these events unusual? Select all
the unusual events below.
A. Scoring between 40 and 49
touchdowns inclusive is unusual.
B. Scoring at least 30 touchdowns is
unusual.
C. Scoring more than 79 touchdowns is
unusual.
D. None of the events are unusual.
Transcribed Image Text:K A stem-and-leaf plot for the number of touchdowns scored by all Division 1A football teams is shown below. Complete parts (a) through (c). 1345788 Key: 115=15 201223457889 3001112233445577789 40012234555567889 50 235578 61367 7 87 (Round to three decimal places as needed.) (c) If a team is selected at random, find the probability the team scored more than 79 touchdowns. (Round to three decimal places as needed.) Are any of these events unusual? Select all the unusual events below. A. Scoring between 40 and 49 touchdowns inclusive is unusual. B. Scoring at least 30 touchdowns is unusual. C. Scoring more than 79 touchdowns is unusual. D. None of the events are unusual.
K
A stem-and-leaf plot for the number of touchdowns
scored by all Division 1A football teams is shown below.
Complete parts (a) through (c).
Key: 115=15
1345788
201223457889
3001112233445577789
40012234555567889
50235578
61367
7
87
(a) If a team is selected at random, find the
probability the team scored at least 30
touchdowns.
(Round to three decimal places as needed.)
(b) If a team is selected at random, find the
probability the team scored between 40 and
49 touchdowns inclusive.
(Round to three decimal places as needed.)
(c) If a team is selected at random, find the
probability the team scored more than 79
touchdowns.
(Round three decimal places as needed.)
Are any of these events unusual? Select all
the unusual events below.
Transcribed Image Text:K A stem-and-leaf plot for the number of touchdowns scored by all Division 1A football teams is shown below. Complete parts (a) through (c). Key: 115=15 1345788 201223457889 3001112233445577789 40012234555567889 50235578 61367 7 87 (a) If a team is selected at random, find the probability the team scored at least 30 touchdowns. (Round to three decimal places as needed.) (b) If a team is selected at random, find the probability the team scored between 40 and 49 touchdowns inclusive. (Round to three decimal places as needed.) (c) If a team is selected at random, find the probability the team scored more than 79 touchdowns. (Round three decimal places as needed.) Are any of these events unusual? Select all the unusual events below.
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