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bezimeni [28]
3 years ago
14

Miss Garry played the Game of Life during Spring Break and kept track of the results from all the times she spun the wheel. Duri

ng the game, she spun the wheel 80 times and the spinner landed on the number three 25 times. What is the experimental probability of spinning a three?
Mathematics
1 answer:
ankoles [38]3 years ago
7 0
The probability in faction form would be 25/80 simplified would be 5/16 chance of spinning a 3. The decimal form would be a 0.3125 chance in spinning a 3
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Using the quadratic formula, the solutions are t_1= \frac{-6-\sqrt{6^2 -4*0.9*(-7100)}}{2*0.9}=-92.21 and t_2=\frac{-6+\sqrt{6^2 -4*0.9*(-7100)}}{2*0.9}=85.54. The solution t_1=-92.21 can be neglected as the time t is a nonnegative number, therefore t=t_2=85.54.

The value of t is approximately 85 and a half years and the initial time of this model is the January 1, 2012. Adding 85 years to the initial time gives the date  January 2097, and finally adding the remaining half year (six months) we conclude that the date is June 2097.

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