Vin Sen Lee

自 2016 起处于活动状态

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统计学

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Consider a loop of string with unit length. Take n cuts independently and randomly along the string, what is the expected length of the smallest and the largest piece?
This is what I did. The probability is (1+(1-n)x)^n So, expected value of x is it integral for x varies from 0 to 1/n wh...

9 years 前 | 1 个回答 | 0

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Use the cumulative sum function cumsum and the bar graph function bar to produce a cumulative density plot of the standard normal distribution (i.e. N (0, 1)).
someone please help me. I have no idea how to do this.

9 years 前 | 0 个回答 | 1

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Write a program to produce the probability density function of binomial distribution
i.e. a function that only returns 2 possible values(0 and 1). The probability of returning 0 is p, the probability returning 1 ...

9 years 前 | 1 个回答 | 0

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Write a function so that, when given a natural number N, the function returns the value max n ∈ N : 12 + 22 + · · · + n 2 ≤ N
Write a function so that, when given a natural number N, the function returns the value max n ∈ N : 12 + 22 + · · · + n 2 ...

9 years 前 | 4 个回答 | 0

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Write a program to produce the probability density function of binomial distribution, i.e. a function that only returns 2 possible values(0 and 1). The probability of returning 0 is p, the probability returning 1 is q. where p + q = 1.
Write a program to produce the probability density function of binomial distribution, i.e. a function that only returns 2 possi...

9 years 前 | 0 个回答 | 0

0

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