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anonymous
 one year ago
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)=1e^0.2t. Determine how many minutes are needed for the probability to reach 60%.
anonymous
 one year ago
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)=1e^0.2t. Determine how many minutes are needed for the probability to reach 60%.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Instead 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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