https://padlet.com/z_jiang/70cxk1bvtxrb Please formulate your questions clearly. Indicate the lecture slides number and/or homework number under the corresponding LW. Incorrect information may lead to disregarded questions. The deadlines for posting questions per exam are as the follows: Exam A Mar. 24 12:00 Exam B Jun. 03 12:00 Exam C Jun. 23 12:00 en-us 2019-02-20 16:24:09 UTC 2026-01-20 05:59:10 UTC hello@padlet.com https://padlet.com/z_jiang/70cxk1bvtxrb/wish/343681987 Are we supposed to study the lecture slides in the folder "lectures" or are there new lectures online?

]]> 2019-03-21 09:46:18 UTC https://padlet.com/z_jiang/70cxk1bvtxrb/wish/343681987 https://padlet.com/z_jiang/70cxk1bvtxrb/wish/364661138 I'm not sure how to get to the $16 million, which is the correct answer. My results always differ.

This is the calculation:
Variance  = 0,5 x (100 Million – 50 Million)² + 0,5 x (0 – 50 Million)²

And the square root of the  previous result, but it's not $16 million.]]> 2019-05-30 15:08:23 UTC https://padlet.com/z_jiang/70cxk1bvtxrb/wish/364661138