http://www.xn--lucky-lv5ik6m.tw/web/members/mccain30connolly/activity/ Sloan Krogh 的活動摘要。 Thu, 12 Mar 2026 14:34:53 +0800 https://buddypress.org/?v= zh-TW 30 hourly 2 720d250b1801d3bfc071b8379a0f1474 http://www.xn--lucky-lv5ik6m.tw/web/activity/p/78016/ Wed, 26 Sep 2018 18:59:40 +0800 A life insurance company sells a term insurance policy to a 21-year-old male that pays $100,000 if the insured dies within the next 5 years. The probability that a randomly chosen male will die each year can be found in mortality tables. The company collects a premium of $250 each year as payment for the insurance. The amount X that the company earns…［閱讀更多］

]]> 0 473734588062187541520b1d88c7f44e http://www.xn--lucky-lv5ik6m.tw/web/activity/p/78009/ Wed, 26 Sep 2018 18:58:07 +0800 0