Essay
You were told that the amount of time lapsed between consecutive trades on a foreign stock
exchange market followed a normal distribution with a mean of 15 seconds.You were also told
that the probability that the time lapsed between two consecutive trades to fall between 16 to 17
seconds was 13%.The probability that the time lapsed between two consecutive trades would
fall below 13 seconds was 7%.The middle 86% of the time lapsed will fall between which two
numbers?
Correct Answer:
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Correct Answer:
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