prob stat: Find the expected value & std deviation in the number of '6's when 20 dice are rolled.
Maklum balas
Laporan
Maklum balas
Laporan
Siaran semula adalah dilarang tanpa kebenaran pencipta.
Disyorkan untuk anda
- Semua
- Anime
0:53
2:28:43
1:14:29
0:13
1:30:11
1:25:07
1:26:21
1:26:50
53:31
1:06:11
1:07:49
![2nd way: derivative x w.r.t x^x. [YES, d(x)/d(x^x)!]](https://pic.bstarstatic.com/ugc/91e827863cf3fa6d90acd36e3e2174e1.jpg@320w_180h_1e_1c_90q.webp)
![Find the number of digits in mole [6.02x10^23]](https://pic.bstarstatic.com/ugc/d1995725923a47eed713af1ab86c8910.jpg@320w_180h_1e_1c_90q.webp)
2:30
3:30
1:32
0:55
![Let B be the mx1 col. matrix [1/m ... 1/m]'. If A =[a1 ... am] is any row matrix. What is AB?](https://pic.bstarstatic.com/ugc/adc58069fc9ea76fd1e8d7f70d30a57a.jpg@320w_180h_1e_1c_90q.webp)