Brittany will be working full time this summer to save for her goal of having $10,000 by the time she’s 21. brittany has an account that will pay 3.5% interest, compounded monthly. she’ll turn 17 at the end of the summer. about how much will brittany have to deposit at the end of the summer so that her money can grow into $10,000 by the time she’s 21?

Jose bought 20 shares of netflix at the close price of $117.98. in a few years, jose sells all of his shares at $128.34. how much money did jose make? a.) $192.50 b.) $207.20 c.) $212.50 d.) $224.60

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?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?