Solve by using square roots. 6x^2−27=39
1 answer:
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Answer:
0.621
Step-by-step explanation:
Number of people that have run a red light in the last year = 290
Number of people that have not run a red light in the last year = 177
Total number of respondents = 290 + 177
= 467
Pr(if a person is chosen at random, they have run a red light in the last year) =
=
= 0.621
The probability that if a person is chosen at random, they have run a red light in the last year is 0.621.