Categories Statistics As a rule of thumb, when n>=30, then we can assume that………is normally distributed: (STA301) Post author By admin Post date February 28, 2022 Probability distribution Sampling distribution Binomial distribution Sampling distribution of sample mean ← If a random variable X denotes the number of heads when we toss a fair coin 5 times, the X assumed the values: (STA301) → If b(x, 7, 0.30), the variance of this distribution is: (STA301)