es la representación qué hacemos de una proposición simple o compuesta mediante variables lógicas​

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange 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%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?