Speed s Accident rate R 20 1600 25 600 30 200 35 300 40 800 45 1250 Explain what your answer means in practical terms. Commercial vehicles driving at night on urban streets at ___ miles per hour have traffic accidents at a rate of ___ per 100,000,000 vehicle miles. (c) At what speed is vehicular involvement in traffic accidents (for commercial vehicles driving at night on urban streets) at a minimum? (Round your answer to the nearest whole number.) ____ mph Questions/Answer for A&B below. (a) Use regression to find a quadratic model for the data. (Round the regression parameters to two decimal places.) R = 8607.50−509.75s+7.75s2 (b) Calculate R(50). (Round your answer to two decimal places.) R(50) = 2495
Speed s Accident rate R 20 1600 25 600 30 200 35 300 40 800 45 1250 Explain what your answer means in practical terms. Commercial vehicles driving at night on urban streets at ___ miles per hour have traffic accidents at a rate of ___ per 100,000,000 vehicle miles. (c) At what speed is vehicular involvement in traffic accidents (for commercial vehicles driving at night on urban streets) at a minimum? (Round your answer to the nearest whole number.) ____ mph Questions/Answer for A&B below. (a) Use regression to find a quadratic model for the data. (Round the regression parameters to two decimal places.) R = 8607.50−509.75s+7.75s2 (b) Calculate R(50). (Round your answer to two decimal places.) R(50) = 2495
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter2: Linear Equations
Section2.5: Solving Equations Involving Absolute Value
Problem 45PPS
Related questions
Question
100%
| Speed s | Accident rate R |
|---|---|
| 20 | 1600 |
| 25 | 600 |
| 30 | 200 |
| 35 | 300 |
| 40 | 800 |
| 45 | 1250 |
Explain what your answer means in practical terms.
Commercial vehicles driving at night on urban streets at ___ miles per hour have traffic accidents at a rate of ___ per 100,000,000 vehicle miles.
(c) At what speed is vehicular involvement in traffic accidents (for commercial vehicles driving at night on urban streets) at a minimum? (Round your answer to the nearest whole number.)
____ mph
Questions/Answer for A&B below.
(a) Use regression to find a quadratic model for the data. (Round the regression parameters to two decimal places.)
R =
(b) Calculate R(50). (Round your answer to two decimal places.)8607.50−509.75s+7.75s2
R(50) = 2495
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