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 Binomial When can I use a normal distribution to approximate a binomial distribution? A binomial distribution ?can be?approximated by a normal distribution ? provided n?is l...
Modelling with Distributions When should I use a binomial distribution? A random variable that follows a?binomial distribution?is a?discrete random variable A binomial distribution is used when the...
Standard Normal Distribution What is the standard normal distribution?? The?standard normal distribution?is a normal distribution where the?mean is 0?and the?standard deviation is 1 It is denoted b...
Throughout this section we will use the random variable . For a normal distribution,?X?can take any real number. Therefore any values mentioned in this section will be assumed to be real numbers. C...
Properties of Normal Distribution The binomial distribution is an example of a discrete probability distribution. The normal distribution is an example of a?continuous?probability distribution. Wha...
Calculating Binomial Probabilities Throughout this section we will use the random variable . For binomial, the probability of a?X? taking a non-integer or negative value is always zero. Therefore a...
Properties of Binomial Distribution What is a binomial distribution? A binomial distribution is a?discrete probability distribution The?discrete random variable?follows a?binomial distribution?if i...
Discrete Random Variables What is a discrete random variable? A?random variable?is a variable whose value depends on the outcome of a?random event The value of the random variable is not known unti...
