HEY YALL IM JUST BORED AND HI??

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?

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read

Write an expression that represents the sum of 7 and x