First any one of the n letters 1, …, n for a 1 is chosen. Then, any one of the remaining letters for a 2 is chosen and so on. The construction of a permutation, thus, involves n choices, with respective probabilities and the probability of a given permutation chosen being 1/ n ...
请补全短文,每个题目只填一个空。即整篇短文共9个空,分9个填空题填入。此题只填第一空答案。 Fill in the blanks of the following letters with the words given below, and change the form when necessary. oblige, inform, prefer, convince, discount, quantity, purchase, quotation, interest Dear Sirs...
Power:10W/meter;LED Light Source:2835;IP Grade:IP65;Color:RGB;Size:8*16mm 50m/roll;LED Type:led neon light;InputVoltage(V):12V;Design:Outdoor decoration;OEM:custom made;Application:neon light/outdoor/billboard;Item Type:Neon Lights;Lamp Luminous Efficien