Question regarding two events
Assume there are two events, A and B. It is known that P(A and B) = 0. This means that A and B are definitely
A. A is the empty set
B. B is the empty set
C. Independent
D. Mutually exclusive
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Suppose an unfair coin which comes up HEADS 2/3rds of time and TAILS 1/3rd of the time. Our experiment includes flipping this coin ten times and recording number of HEADS.
Assume a microchip manufacturer produces 1 defective chip for every 20 they build. They randomly choose 80 chips off the assembly line for quality control testing.
A car rental has cars with the average of 9000 miles and standard deviation of 1200. If 25 cars are in the lot, compute the probability there average miles will be less than 9500 miles?
From the given population, it is known that 58% are female, 35% are smokers, and 16% are females who smoke. Compute the probability that a randomly chosen person from this population will be female or a smoker?
A box has 7 items, 4 good and 3 defective. 3 items are selected at random WITHOUT replacement. Let X be the number of good items. Find the probability mass function of X.
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The Institute of Education Sciences determines the high school dropout rate as the percentage of 16- through 24-year-olds who are not enrolled in school and have not earned a high school credential.
Determine three conditions where the measured output of the process has a small variation and three conditions where the variation is larger
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