Fraction in the simplest form
A jar contains 4 purple and 10 black marbles. A marble is drawn at random. What is the fraction in the simplest form?
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Urn A contains 9 cubes of which 4 are red. Urn B contains 5 cubes of which 2 are red. A cube is drawn at random and in succession from each urn. Draw a tree diagram representing this process.
What are the advantages and disadvantages of one-tailed and two-tailed tests?
What kind of distribution do we have here? What is the expected number of fatalities? What is the standard deviation of the number Y of fatalities?
Find the probability that the second cube selected is black. Given that the first cube selected is red, what is the probability that the second cube selected is black?
The San Francisco Supply Company has designed a machine that fills containers of coffee in such a way that the contents are uniformly distributed with a minimum of 11.8 oz and maximum 12.2 oz. If one container is randomly selected find the probabi
The probability that Pat will go to UofT is 0.2. The probability that Pat will go to Waterloo is 0.5. The probability that her and her boyfriend Gill will both go to UofT together is 0.15. What is the probability that Gill will follow Pat to atten
Justin estimates that the probability of passing math is 0.8 and the probability of passing English is 0.9. The probability of failing both is 0.05.
What is the probability that in a group of 5, each person chooses a number between 1 and 10, inclusive, and at least 2 people pick the same number?
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