Question 1: A factory produces on average 10 defective products a day. What’s the probability, in a certain day a max of 4 defective products will be generated? What’s the probability, in 2 days 12 to 15 defective products will be produced? Question 2: A regular die is tossed 6 Read more…
A geometric distribution is a distribution in which there is a series of repeated and independent trials (Bernoulli trials with a chance of success or failure), with a fixed chance of success (P).Unlike the binomial distribution, which also consists of a series of Bernoulli trials, the geometric distribution has one Read more…
Descriptive statistics is the first encounter with the data, and gives us a primal intuition and idea of what is laid in front of us. Sometimes, for some reason, we’re interested not only in the overall descriptive statistics of the whole sample, but in certain groups drawn from the sample. Read more…
Question 1: Let’s assume I have a big bowl with 12 green marbles, 30 yellow marbles and 15 blue marbles. If I pull with replacement 8 marbles, what’s the chance 6 of them are non-green? If I pick 10 marbles with replacement, what’s the expected value of the blue marbles Read more…
Question 1: A die is rolled twice and afterwards – a coin is tossed once. What’s the chance to get at least once “1” and also heads? If we got “4” once, what’s the chance that the total is “9”? If we didn’t get “6”, what’s the chance the total Read more…