假設一年有 365 天,20 個人中有 2 個人同一天生日的機率是多少?

How high is the probability that two out of twenty people have the same birthday? It can be assumed that a year has 365 days.

Source: Tatoeba

Sentence Composition

1 假設 jiǎshè
  1. to suppose
  2. to presume
  3. to assume
  4. supposing that ...
  5. if
  6. hypothesis
  7. conjecture
2
  1. one
  2. single
  3. a (article)
  4. as soon as
  5. entire; whole; all; throughout
  6. "one" radical in Chinese characters (Kangxi radical 1)
  7. also pr. yāo for greater clarity when spelling out numbers digit by digit
=3 Nián surname Nian
=3 nián year

classifier:

=3 nián
  1. grain
  2. harvest (old)
  3. variant of nián
=4 yǒu
  1. to have; there is
  2. (bound form) having; with; -ful; -ed; -al (as in 有意 yǒu intentional)
=4 yòu
  1. (obsolete on its own in Standard Chinese) alternative form of (yòu, “again”)
  2. (obsolete on its own in Standard Chinese) alternative form of (yòu, “and; with a remainder of (when dividing an integer by ten)”)
  3. alternative form of (yòu, “again”)
  4. alternative form of (yòu, “and; with a remainder of (when dividing an integer by ten)”)
5 tiān
  1. day
  2. sky
  3. heaven
6 個人 rén
  1. individual
  2. personal
  3. oneself
7 中有 zhōngyǒu
  1. (Buddhism) bardo
  2. bardo
8 個人 rén
  1. individual
  2. personal
  3. oneself
9 同一 tóng identical; the same
10 天生 tiānshēng
  1. nature
  2. disposition
  3. innate
  4. natural
=11 abbr. for 日本 běn, Japan
=11
  1. sun
  2. day
  3. date, day of the month
=12 de
  1. of; ~'s (possessive particle)
  2. (used after an attribute when it modifies a noun)
  3. (used at the end of a declarative sentence for emphasis)
  4. (used after a noun, verb or adjective to form a nominal expression, as in 皮革的 de "one made of leather" or 跑堂儿的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one")
  5. also pr. or di in poetry and songs
=12 a taxi; a cab (abbr. for 的士 shì)
=12 really and truly
=12 (bound form) bull's-eye; target
13 機率 (Tw) (math.) probability
=14 shì
  1. to be (followed by substantives only)
  2. correct; right; true
  3. (respectful acknowledgement of a command) very well
  4. (adverb for emphatic assertion)
=14 shì variant of shì
=15 多少 duōshǎo
  1. number; amount
  2. somewhat
=15 多少 duōshao
  1. how much?; how many?
  2. (phone number, student ID etc) what number?