a. List the elements of a sample space for this observational experiment. b. If all elements in part (a) are equally likely, find the probability that both customers use door I ; then find the probability that both customers use the same door.

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Q: 2.2

A:   male female total lower class 80 124 204   39.22 60.78 100   7.89 9.89 17.78   3.52 5.46 8...

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A: just look at the Venn- Diagram............

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A: Solution is given:

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A: The mean is 500 and the standard deviation is 10.6.

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Q: 4. (a) Consider a nonnegative, integer valued random variable Y, and a random sample X1, ·.. , Xn. A...

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Q: Ten coins are tossed simultaneously. Find the probability of getting (i) atleast seven heads; (ii) e...

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Q: 92. How many three-digit numbers, each less than 500, can be formed from the digits 1, 3, 4, 6, and ...

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Q: The college student senate is sponsoring a spring break Caribbean cruise rame. The proceeds are to b...

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Q: 19. If P(A) = 0.60, P(B) = 0.42, and P(A or B) = 0.88, then P(A and B) %3D %3D %3D %3D

A: Given P(A)=0.60P(B)=0.42P(A or B)=0.88

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Q: Let X be the number of tails that turned up when two fair coins are tossed. What are the possible ou...

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Q: second-stage smog alert has been called in a certain area of Los Angeles County in which there are 7...

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Q: An urn contains 7 white and 3 red balls. Two balls are drawn together at random from the urn. Find t...

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Q: how many ways can a coach select a guards? starting five of one center, two forwards and two

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Q: Example 1. A random variable has the following probability distribution 8. Values of X 1 3 4. 7 P(x)...

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Q: The life of a semiconductor laser at a constant Power is normally distributed with mean of 488 hours...

A: Given: Mean (μ)=488standard deviation (σ)=208

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Q: 7. A person buying a personal computer system is offered a choice of three models of the basic unit,...

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Q: A bag contains five green marbles and three red marbles, and then a fair coin is tossed once. Find t...

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Q: (TRUE / FALSE) For two random variables, X and Y , E(XY ) = E(X)E(Y ) if X and Y are uncorrelated.

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Q: miles Suppose that the speeds of cars travelling on California freeways are normally distributed wit...

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Q: The time intervals between successive particle arrivals at a counter generate an ordinary renewal pr...

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