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Acum 1 zi · The binomial distribution is frequently used to model the number of successes in a sample of size n drawn with replacement from a population of size N. If the sampling is carried out without replacement, the draws are not independent and so the resulting distribution is a hypergeometric distribution, not a binomial one.
Acum 1 zi · Social media can help to improve an individual's sense of connectedness with others and be an effective communication (or marketing) tool for corporations, entrepreneurs, non-profit organizations, advocacy groups, political parties, and governments. Social movements use social media for communicating and organizing.
Acum 1 zi · 第三款：PDF Converter. 这款界面非常简洁直观的在线PDF转换工具，是专注于PDF文件转换为各种办公格式文件的在线网站，实现几秒内就可以快速转换，非常适合需要紧急处理文件转换的伙伴，并且只要打开网站就能看到醒目的【选择文件】，点击进入即可. 进入到 ...
Acum 1 zi · Muhammad [a] ( / moʊˈhɑːməd /; Arabic: مُحَمَّد, romanized :Muḥammad [mʊˈħæm.mæd]; c. 570 – 8 June 632 CE) [b] was an Arab religious, social, and political leader and the founder of Islam. [c] According to Islamic doctrine, he was a prophet divinely inspired to preach and confirm the monotheistic teachings of Adam, Abraham ...
