A) In a (poorly run) widget factory, it is known that 25% of all products off the line will be defective. A random sample of 5 widgets is taken on a certain day. What is the probability that all of the widgets are defective? What is the probability that none are defective?

B) A coin is flipped 5 times in a row. What is the probability that it will come up tails all five times? What is the probability that it will come up tails exactly 4 times?

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A) In a (poorly run) widget factory, it is known that 25% of all products off the line will be defective. A random sample of 5 widgets is taken on a certain day. What is the probability that all of the ...

Probability based on binomial probability. Binomial Distribution. ... 4. Based on your sample, find the probability of exactly 7 out of 22 answering "yes". ...

... b)using the table calculate the conditional probability of C given each of the age groups, or p(c/d), P(c/e), etc compare these probabilities and speculate as ...

... To check whether the given experiment is a valid probability distribution or not, we can use the condition that sum of all the probabilities in an experiment ...

... day 2, is (q)(p)(p) (the second p accounts for the probability of death ... could happen separately (event A OR B could happen) we add the probabilities of these ...