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DM3449
02.12.2019 •
Mathematics
Seniors at a high school were asked what color car they drive. the results were put in a circle graph. the measure of each central angle is shown. if a senior is chosen at random from this school, find the probability of each response.
what color is your car?
car color is not red or blue.
options:
0.51
0.47
0.53
0.49
Solved
Show answers
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Ответ:
P(The color of the car is red) is 0.32 .
P(The color of the car is white) is 0.34 .
P(The color of the car is silver) is 0.19 .
P(The color of the car is blue) is 0.15 .
P(car color is not red or blue) is 0.53 .
Step-by-step explanation:
We know that total angle subtended at the center by a complete circle is
360° .
According to the question,
P(The color of the car is red)
=![\frac {115.2}{360}](/tpl/images/0398/8790/49f32.png)
= 0.32
P(The color of the car is white)
=![\frac {122.4}{360}](/tpl/images/0398/8790/afdbb.png)
= 0.34
P(The color of the car is silver)
=![\frac {68.4}{360}](/tpl/images/0398/8790/1cd22.png)
= 0.19
P(The color of the car is blue)
=![\frac {54}{360}](/tpl/images/0398/8790/6d35f.png)
= 0.15
So
P(car color is not red or blue)
= 1 - (0.15 + 0.32)
= 0.53
Ответ:
i think its 0.6. jdnsllq