anonymous
  • anonymous
Between 7:00 AM and 8:00 AM, trains arrive at a subway station at a rate of 12 trains per hour (0.2 trains per minute). The following formula from statistics can be used to determine the probability that a train will arrive within t minutes of 7:00 AM. F(t)=1-e^-0.2t. Determine how many minutes are needed for the probability to reach 60%.
Mathematics
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anonymous
  • anonymous
Between 7:00 AM and 8:00 AM, trains arrive at a subway station at a rate of 12 trains per hour (0.2 trains per minute). The following formula from statistics can be used to determine the probability that a train will arrive within t minutes of 7:00 AM. F(t)=1-e^-0.2t. Determine how many minutes are needed for the probability to reach 60%.
Mathematics
jamiebookeater
  • jamiebookeater
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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anonymous
  • anonymous
Instead of using the formula given, I am trying to use formula, of Y=C^(k)(x) / Y is the output, C is the initial, K is the % and x is the time, I just don't understand what it is saying to put it all together.

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