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 3 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 3 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 explains the formula used to calculate the number of fatal crashes after driving 100 million miles.
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 3 fatal crashes per 100 million miles driven? How well does the formula model the trend in the actual data shown in the bar graph?
Evaluate the following expression and show your work to support your calculations.
a). 6!
b).
4!
3!0!
7!
c).
5!2!
d). 5!2!
e).
n!
(n - 1)!
Amy and Samiha have a hat that contains two playing cards, one ace and one king. They are playing a game where they randomly pick a card out of the hat four times, with replacement.
Amy thinks that the probability of getting exactly two aces in four picks is equal to the probability of not getting exactly two aces in four picks. Samiha disagrees. She thinks that the probability of not getting exactly two aces is greater.
The sample space of possible outcomes is listed below. A represents an ace, and K represents a king. Who is correct?
Consider the exponential function f(x) = 12x. Complete the sentences about the key features of the graph.
The domain is all real numbers.
The range is y> 0.
The equation of the asymptote is y = 0
The y-intercept is 1
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