Binomial Hypothesis Testing How is a hypothesis test carried out with the binomial distribution? The?population parameter?being tested will be the?probability,?p??in a?binomial distribution?B(n , p...
Type I & Type II Errors Any hypothesis test will only provide evidence about whether a parameter has changed or not. A conclusion can not claim with certainty whether to accept or reject the nu...
Language of Hypothesis Testing What is a hypothesis test? A hypothesis test uses a?sample of data?in an experiment to test a?statement?made about the value of a?population parameter A hypothesis te...
Normal Approximation of Poisson When can I use a normal distribution to approximate a Poisson distribution? The greater the value of?λ?in a Poisson distribution, the more symmetrical the distributi...
Choosing Distributions When should I use a Poisson distribution? A random variable that follows a?Poisson distribution?is a?discrete random variable A Poisson distribution is used when the random v...
Continuous Uniform Distribution What is meant by the continuous uniform distribution? This is a special case of a probability density function for a continuous random variable The?normal?distributi...
E(X) & Var(X) (Continuous) What are E(X) and Var(X)? E(X)is the?expected?value, or?mean, of a?random?variable X E(X) is the same as the population mean so can also be denoted by?μ Var (X)?is th...
Calculating Probabilities using PDF What is a probability density function (p.d.f.)? For a?continuous random variable?, it is often possible to model probabilities using a function This function is...
三大國(guó)際課程體系內(nèi)AP，ALEVEL，IB課程中，IB體系無(wú)疑是全球公認(rèn)最難的國(guó)際課程體系之一，所以選課就尤為重要了，特別是在進(jìn)入IBDP階段。選課這關(guān)沒(méi)把好，會(huì)直接影響到IB大考的分?jǐn)?shù)和申請(qǐng)結(jié)果。那么申英VS申美，I...
