A driver's age has something to do with his or her chance, of gelling into a fatal car crash. The bar graph shows the number of fatal vehicle crashes per 100 million miles driven for drivers of various age groups For example. 25-year~old drivers are involved in 4.1 fatal crashes per 100 million miles driven. Thus when a group of 25-years old Americans have driven a total of 100 million miles, approximately 4 have been in accidents in which someone died. The number of fatal vehicle crushes per 100 million miles N , for rivers of age x can be modeled by the formula N − 0.013 x 2 − 1.19 x + 28.24. Use the formula to solve Exercises 135-136. What age groups are expected to be involved in 10 fatal crashes per 100 million miles driven? How well does the formula model the trend in the actual data shown in the bar graph?
A driver's age has something to do with his or her chance, of gelling into a fatal car crash. The bar graph shows the number of fatal vehicle crashes per 100 million miles driven for drivers of various age groups For example. 25-year~old drivers are involved in 4.1 fatal crashes per 100 million miles driven. Thus when a group of 25-years old Americans have driven a total of 100 million miles, approximately 4 have been in accidents in which someone died. The number of fatal vehicle crushes per 100 million miles N , for rivers of age x can be modeled by the formula N − 0.013 x 2 − 1.19 x + 28.24. Use the formula to solve Exercises 135-136. What age groups are expected to be involved in 10 fatal crashes per 100 million miles driven? How well does the formula model the trend in the actual data shown in the bar graph?
Solution Summary: The author calculates the age groups of the people involved in 10 fatal accidents after the drive of 100 million miles and the value obtained is very close to the data which is shown in bar graph.
A driver's age has something to do with his or her chance, of gelling into a fatal car crash. The bar graph shows the number of fatal vehicle crashes per 100 million miles driven for drivers of various age groups For example. 25-year~old drivers are involved in 4.1 fatal crashes per 100 million miles driven. Thus when a group of 25-years old Americans have driven a total of 100 million miles, approximately 4 have been in accidents in which someone died.
The number of fatal vehicle crushes per 100 million miles N, for rivers of age x can be modeled by the formula
N
−
0.013
x
2
−
1.19
x
+
28.24.
Use the formula to solve Exercises 135-136.
What age groups are expected to be involved in 10 fatal crashes per 100 million miles driven? How well does the formula model the trend in the actual data shown in the bar graph?
For each graph below, state whether it represents a function.
Graph 1
24y
Graph 2
Graph 3
4
2
-8
-6 -4
-2
-2
2 4 6
Function?
○ Yes
○ No
○ Yes
○ No
Graph 4
Graph 5
8
Function?
Yes
No
Yes
No
-2.
○ Yes
○ No
Graph 6
4
+
2
4
-8 -6 -4 -2
2 4 6
8
Yes
-4++
No
Practice
k Help
ises
A
96
Anewer The probability that you get a sum of at least 10 is
Determine the number of ways that the specified event can occur when
two number cubes are rolled.
1. Getting a sum of 9 or 10
3. Getting a sum less than 5
2. Getting a sum of 6 or 7
4. Getting a sum that is odd
Tell whether you would use the addition principle or the multiplication
principle to determine the total number of possible outcomes for the
situation described.
5. Rolling three number cubes
6. Getting a sum of 10 or 12 after rolling three number cubes
A set of playing cards contains four groups of cards designated by color
(black, red, yellow, and green) with cards numbered from 1 to 14 in each
group. Determine the number of ways that the specified event can occur
when a card is drawn from the set.
7. Drawing a 13 or 14
9. Drawing a number less than 4
8. Drawing a yellow or green card
10. Drawing a black, red, or green car
The spinner is divided into equal parts.
Find the specified…
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