5. The life, in years, of a certain type of electrical switch has an exponential distribution with an average life of 2. If 100 of these switches are installed in different systems, what is the probability that at most 30 fail during the first year?

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A:

Q: Suppose we observe 84 alcoholics with cirrhosis of the liver, of whom 29 have hepatomas—that is,…

A: 1)   From the given information,  n=80 and the probability of success is p=0.24(24%).   Normal…

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Q: Suppose that a linear probability model yields a predicted value of Y thatis equal to 1.3. Explain…

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Q: In an article about investment alternatives, Money magazine reported that drug stocks provide a…

A: The provided probabilities are;

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A:

Q: Suppose 47% of the population has a college degree. If a random sample of size 501 is selected, what…

A: It is provided thatp = 0.47, q = 1- p = 1-0.47 = 0.53 and n = 501Consider, the sampling distribution…

Q: A life insurance company will sell a $200,000 one-year term life insurance policy to an individual…

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Q: 22. Suppose 58% of American singers are Grammy award winners. If a random sample of size 764 is…

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Q: Refer to Table 1. What is the probability that an undergraduate business major intends to attend…

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Q: Suppose the lifetime of a particular appliance follows an exponential distribution with a mean of 10…

A: A continuos random variable X is said to follow exponential distribution with parameter θif its…

Q: Suppose that a one-year project that requires an initial investment of $5 million has a 65% chance…

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Q: If an average of 40 calls is required in a typical eight hour shift, what is the probability that…

A: Given that an average of 40 calls is required in a typical eight hour shift.

Q: From a certain provincial bus station, it will take a passenger between zero to fifteen minutes to…

A:

Q: If new cases of West Nile in New England are occurring at a rate of about 2 per month, then what’s…

A: n = 6x = 4p(x)=nxpxqn-xp = 4/6 = 2/3q = 1 - p = 1 - 2/3 = 1/3p(x)=nxpxqn-x…

Q: A three-bulbed flask contains five particles. What is the probability, to three significant figures,…

A: Let us assume X be the random variable representing the number of particles, out of total 5, in the…

Q: O A mountain search and rescue team receives a mean of 0.44 calls per day. Find the probability that…

A: The mean (λ) is 0.44.

Q: Suppose that the proportions of blood phenotypes in a particular population are as follows: A АВ…

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Q: If a random variable that follows exponential distribution shows that P(X2000)=0.7, Then P(30002000)…

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Q: 1. (a) An anthropologist wishes to estimate the average height of men for a certain racial group.…

A: Formula Used: Z-Score = X-μσn

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Q: A die is weighted in such a way that each of 2, 4, and 6 is twice as likely to come up as each of 1,…

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Q: QUESTION 2 It is known that 30% of adult females are experiencing sleep disorder If 17 adult females…

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Q: Suppose that weight of adolescents is being studied by a health organization and that the…

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Q: a. Given a random sample of 70 resistors, what is the probability that its mean is between 218 N and…

A: HERE GIVEN, mean = 220 standard deviation = 11   here use central limit theorem

Q: Suppose that X follows a binomial distribution with mean that equals 4. If the range of X is known…

A: A

Q: 7

A: Lack of memory property:Let the random variable X is exponentially distributed with parameter 1/λ.…

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Q: or the fiscal year​ 2007, a tax authority audited 1.74​% of individual tax returns with income of​…

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Q: Suppose a rare infectious disease occurs at the rate of 2 per 106 people per year. (a)  What is…

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Q: Question 8: 8.1. If the mean value for the cashier to checkout of a market is 3 minutes. What is the…

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Q: Suppose the number of baskets scored by the Indiana University basketball team in one minute follows…

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Q: Solve the problem. 15) A machine is set to pump cleanser into a process at the rate of 6 gallons per…

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Q: 2. Consider the probability distribution on the next a) E (:) x = }ECx)

A: Given,   X=1 X=2 X =3 X=4 X=5 X=6 X=7 X=8 X=9 Y=1 1198 1357 1965 1083 1256 1070 1418 1300 1068…

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Q: Suppose the amount of gasoline sold daily at a service station is uniformly distributed with a…

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A: Given data : Probability of success , p = 0.15

Q: If you know that it rains during ten days out of every thirty days in a particular city. Using the…

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Q: It is estimated that 3.6% of the general population will live past their 90th birthday.  In a…

A: Continuity correction factor table: If   P(X=n) use   P(n – 0.5 < X < n + 0.5)If   P(X > n)…