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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 201223457889 Key: 115=15 3001112233445577789 40012234555567889 50235578 61367 (a) If a team is selected at random, find the probability the team scored least 31 touchdowns. 0 (Round 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 three decimal places as needed.) (c) If a team is selected at random, find the probability the team scored more than 74 touchdowns. □ (Round to three decimal places as needed.) Are any of these events unusual? Select all the unusual events below. A. Scoring more than 74 touchdowns unusual. B. Scoring between 40 and 49 touchdowns inclusive is unusual. C. Scoring at least 31 touchdowns is unusual. D. None of the events are unusual.

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 201223457889 Key: 115=15 3001112233445577789 40012234555567889 50235578 61367 (a) If a team is selected at random, find the probability the team scored least 31 touchdowns. 0 (Round 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 three decimal places as needed.) (c) If a team is selected at random, find the probability the team scored more than 74 touchdowns. □ (Round to three decimal places as needed.) Are any of these events unusual? Select all the unusual events below. A. Scoring more than 74 touchdowns unusual. B. Scoring between 40 and 49 touchdowns inclusive is unusual. C. Scoring at least 31 touchdowns is unusual. D. None of the events are unusual.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
ChapterCSR: Contents Of Student Resources
Section: Chapter Questions
Problem 11.1EP
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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). 345788 20 12 23457889 30 01112233445577789 4567 0 400 12 234 55 5567889 50 2 3 5 578 Key: 115=15 61 367 87 C (a) If a team is selected at random, find the probability the team scored at least 31 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 74 touchdowns. (Round to three decimal places as needed.) Are any of these events unusual? Select all the unusual events below. A. Scoring more than 74 touchdowns is unusual. B. Scoring between 40 and 49 touchdowns inclusive is unusual. C. Scoring at least 31 touchdowns is unusual. D. None of the events are unusual.
Transcribed Image Text: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). 345788 20 12 23457889 30 01112233445577789 4567 0 400 12 234 55 5567889 50 2 3 5 578 Key: 115=15 61 367 87 C (a) If a team is selected at random, find the probability the team scored at least 31 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 74 touchdowns. (Round to three decimal places as needed.) Are any of these events unusual? Select all the unusual events below. A. Scoring more than 74 touchdowns is unusual. B. Scoring between 40 and 49 touchdowns inclusive is unusual. C. Scoring at least 31 touchdowns is unusual. D. None of the events are unusual.
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