Three locks can safely lock the door with the probabilities of 0.9, 0.6, and 0.85, respectively. Find the probability that at least one lock locks the door safely.

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Q: Probability P(X) 0.06 Number of Copies X 0.14 2 0.16 3. 0.14 4. 0.12 0.10 0.08 7. 0.07 8. 0.06 6. 0....

A: Solution: Let, X=Number of copies and P(X) =Probability We have given following table: X P(X) 0...

Q: a jar contains 20 white marbles, 30 red marbles and 15 green marbles. 4. Draw one marble at random. ...

A: We have give that  20 white marbal 30 red marbal 15 green marbal  Total = 65 Note: According to Bart...

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Q: Determine themean and variance of the random variable with the following probability mass function. ...

A: Given that  We have to find Mean and variance : 

Q: 2)-102 (b) 210 c) 201 The number of ways to distribute 7 games to three children so that the younges...

A: We have to find the number of ways to distribute 7 games to three children so that the youngest chil...

Q: Use the following 5 year select table for this question. [x] 9[x]+1 9Ix]+2 9[x]+3 9x+5 Attained age ...

A: In the given table the probability with the age number enclosed in a big bracket is called the selec...

Q: 10. Three cards are drawn without replacement from a well-shuffled standard 52-card deck of playing ...

A: As per our guidelines we are suppose to answer only one question. no.of ace cards=4no.of 4 numbered ...

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Q: A university is hosting a music festival and will sell tickets online. They know that all people who...

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Q: Question Suppose that a day's production of 750 manufactured parts contains 60 parts that do not con...

A: Given that Total parts=750 Nonconforming parts=60 Conforming parts=690 2 parts are drawn at random 

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Q: In a semiconductor manufacturing process, three wafers from a lot are tested. Each wafer is classifi...

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Q: Anita's, a fast-food chain specializing in hot dogs and garlic fries, keeps track of the proportion ...

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Q: I. Which of the following are discrete probability distributions? (Yes or No) 1. 3 4 5 P(x) 0.10 0.2...

A: Property:  If ∑P(X=x)=1 then it is discrete probability distribution  0≤P(X=x)≤1     

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A: Since you have asked multiple questions, we will solve first three subparts for you. To get remainin...

Q: Show your solution. A random experiment gave rise to the two-way contingency table shown. Use it to ...

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Q: The injury rate of a volleyball player is 20%. If he throws the ball 100 times, and if you know that...

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Q: use a normal approximation to find the probability of the indicated number of voters. in the case, a...

A: Given,n=136p=0.22mean(μ)=npmean(μ)=136×0.22mean(μ)=29.92standard deviation(σ)=np(1-p)standard deviat...

Q: Assume that the events A and B are independent with P(A) = .30 and P(B) = 40. The probability that b...

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Q: 5. On January 2016, there were 500 males and 520 females in the age range between 25 and 30 living i...

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Q: A certain respiratory illness affects 0.1% of the population. An accurate test has been developed to...

A: Given P(Positive |no diseases)=0.04 P(diseases) =0.01 P(Negative | diseases)=0.03

Q: Suppose there is a game in which dice are used. The playe: earns 20 dollars if face 2 appears, 40 do...

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A: Given: It's given that 1 system error occurs in every 500 games

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A: Given that, A manufacturer claims that the average lifetime of his new 60-watt light bulb exceeds 12...

Q: 20. )A box contains 6 red balls. 7 blue balls., and 8 white balls. In how many ways can the 3 balls ...

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Q: determine what the probability was that it was a boy is

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Q: What is the probability that a particle will be in the dominant configuration? Total microstate is 5...

A: Given: x=13n=5005

Q: 21 DE cortidenceinterval - PowerPaint Transit ons Animat ons Slide Show Review View Help O Tel me 2 ...

A: Here from the data mean is 435.5 and standard deviation is 58.8996   and n is 10

Q: Probability task: A bag contains 5 white and 3 black balls. Two balls are drawn at random one after ...

A: Solution:

Q: Assume that females have pulse rates that are normally distributed with a mean of u =76.0 beats per ...

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Q: A speaks the truth two out of three times and B four times out of 5 times. They agree in the asserti...

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Q: Construct a curve then shade the region corresponding to the area. 1. P(Z > -1.53) 2. P(Z < 2.89) 3....

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Q: service station has both self-service and full-service islands. On each island, there is a single re...

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Q: with an unknown parameter 0. Let X1,..., X, be a random sample from this distribution. Find the MLE ...

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Q: X 01 4- 0.10+o.23+0.24+0..388=0.95 Use the given the probability distribution to answer questions 13...

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Q: The delivery time of a shipment from a supplier to a retailer is exponentially distributed with mean...

A: Given  X~exp(1/7)  Mean=E(X)=7   

Q: Prove or give a counterexample to each of the following statements: (a) If A and B2 are independent...

A: Given Statement  If A and B2 are independent then P(A|B1 ∩ B2) = P(A|B1) (where P(B1 ∩ B2) &gt; 0).

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Q: the redundancy? What is the MTTF? What is the reliability over 100 A parking lot has 10 floodlights ...

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Q: 4. The data below represents the weights of patient fitted with a holter monite pounds). 120 172 207...

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Q: The delivery time of a shipment from a supplier to a retailer is exponentially distributed with mean...

A:   Given problem Given that   The delivery time of a shipment from a supplier to a retailer is expone...