Tim has a savings account with the bank. the bank pays him 1% per year. he has $5,800 and wonders when it will reach $6,200. when will his savings reach $6,200? if necessary, round your answer to the nearest whole number. considering interest is calculated yearly, it will take tim approximately blank year(s).

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?

What’s the answer ? use the picture to see the problem

X+y=-4 x-y=2 use elimination with adding and subtraction