A certain mass of Uranium-235 emits radioactive particles at a rate of 20 disintegrations per minute, and Uranium-238 emits radioactive particles at a rate of 25 disintegrations per minute. Find the probability that less than 200 disintegrations will be emitted by both radioactive nuclei in five minutes. O 0.0427 none of these O 0.4013 0.0573

Q: Twenty-six percent of couples who plan to marry this year are planning destination weddings. In a…

A: From the given information, 26% of couples who plan to marry this year are planning destination…

Q: A university knows from historical data that 25% of students in an introductory statistics class…

A: From the provided information, A university knows from historical data that 25% of students in an…

Q: A pharmacist receives a shipment of 22 botries of a drug and has 3 of the bottles tested.4 of the 22…

A: Obtain the probability that exactly 1 of these tested bottles is contaminated.   The probability…

Q: travel from her home to her morning class is uniformly distributed between 22 and 30 minutes. If she…

A: It is given that the time required by a certain student to travel from her home to her morning class…

Q: As part of its quality-control program, the video-game DVDs produced by Starr Communications are…

A: Let X= number of defective DVDs The probability of getting a defective DVD is 2.5%= 0.025  Number of…

Q: The results for a test given by a certain instructor not in the School of Sciences by grade and…

A:

Q: According to a recent study, 1 in every 7 women has been a victim of domestic abuse at some point in…

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Q: Sixty-five percent of men consider themselves knowledgeable football fans. If 12 men are randomly…

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Q: The lifespan of a car battery is normally distributed with u = 5 years and o = 1.2 years. What is…

A: to find the probability using standard normal distribution.

Q: 2. A manufacturing process that produces electron tubes is known to have a 10% defective rate.…

A:

Q: As part of its quality-control program, the video-game DVDS produced by Starr Communications are…

A: Given data, Number of dvds n= 6 p=2.5% = 0.025 q=1-p q=1-0.025 q= 0.975

Q: The probability that a person owns a microwave oven is 0.66, that a person owns a compact disk…

A: Given: The probability that a person owns a microwave oven is 0.66, that a person have a CD player…

Q: An elementary school with 5000 students offers a low-cost "hot lunch." Assuming a binomial…

A: Let X: number of students who purchase a hot lunch. X~binomial(n,p)where n=5000   and  p=35%=0.35

Q: A manufacturing plant that employs 50 workers produces roughly 100 cell phones in an hour. At this…

A:

Q: A recent survey found that 70% of all adults over 50 wear glasses for driving. In a random sample of…

A: Given,n=10p=0.7q=1-0.7=0.3A random variable X~Binomial(10 , 0.7)P(X=x)=Cx 0.7x0.310-x  ;…

Q: At a particular factory, a manager knows that on weekends 5% of all welds will be substandard and…

A: Given, Population proportion p = 5% = 0.05 q = 1-p = 1-0.05 = 0.95 Sample size = n = 300 By using…

Q: USA Today reported that approximately 25% of all state prison inmates released on parole become…

A: Random variables are of 2 types, discrete and continuous. A discrete random variable can only take…

Q: Sixty-five percent of men consider themselves knowledgeable football fans. If 14 men are randomly…

A: given p=65%=0.65 , n=14  P(X=3)=? X~Bin(n=14, p=,0.65)

Q: The probability that Mr. Adam comes across a red light is 0.45 at any intersection. What is the…

A:

Q: In a state where cars have to be tested for emission of pollutants, 25% of all cars emit excessive…

A:

Q: In a certain animal species, the probability that a healthy adult female will have no offspring in a…

A: We first make a table using the given info Number of offspring (X)  Probability (p) 0 0.26 1…

Q: 18. Find the probability that the life of a randomly selected battery is more than 30 minutes. A…

A: Answer: C. 0.3557. The probability that the life of a randomly selected battery is more than 30…

Q: What is the probability that there will be at least one defective on the next run of 100 products

A:

Q: Around 5 percent of patients actually have mononucleosis p(M) = .05. 90 percent of patients with…

A:

Q: According to the American Diabetes Association, 34.2 million Americans, or 10.5% of the population,…

A: We have given that  Sample size n=100 , success of probability  p=10.5%=0.105 In M.S excel…

Q: 0.0020 ০.0117 6. 0.0504 0.1611 0.3826 0.6779 10 0.9141 11 1.0000 According to Forbes magazine,…

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A: Given Lamda =30 customer per hour

Q: A marketing research survey shows that approximately 80% of car owners indicated that their next car…

A: Let X represent the random variable n=5 p=0.8   X~ Binomial (5, 0.8)

Q: In a recent survey, 69% of the community favored building a police substation in their neighborhood.…

A: Formula : Binomial distribution is given by

Q: The postal service has three employees helping people ship off packages. Suppose that the time…

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Q: On a particular day, a restaurant that is open for lunch and dinner had 177 customers. Each customer…

A: (a) The probability that the customer came for dinner is calculated as: P(Dinner)=Total numbe of…

Q: Suppose that at UCLA, 35% of students are international students. What is the probability that 40…

A: Solution-: Given: n=100,p=0.35 (35%) We find, P[X=40]=?

Q: Eight percent of all college graduates hired by companies stay with the same company for more than…

A: Sample size n = 12 Let X be a random variable that denotes the graduates that will stay with the…

Q: A randomly selected sample of 100 horse owners found that 72 of them feed one flake of alfalfa plus…

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A: Given data,

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Q: A recent survey found that 70% of all adults over 50 wear glasses for driving. In a random sample of…

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Q: Based on past records, a retail store manager knows that on average, 30 customers per hour come to…

A:

Q: A batch of transistors contains 7% defectives. Each transistor is subjected to a test that correctly…

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Q: According to a recent National survey of 200 High School students of driving age, 43 percent stated…

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Q: The probablity that a region prone to humcanes will be hit by a humicane in any single year is -…

A: The detailed explanation of the given question is given below.

Q: Suppose that the proportion of all dialysis patients who will survivie for at least 6 years. is 0.81…

A: Solution: Given information: n= 45 Sample size  p= 0.81 Population proportion

Q: An aircraft seam requires 26 rivets. The seam will have to be reworked if any of these rivets is…

A: Given Number of rivets =26

Q: The NAR estimates that 23% of all homes purchased in 2004 were considered investment properties. If…

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Q: According to a study published by a group of University of Massachusetts sociologists, about two…

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Q: A box has 20 screws, three of which are known to be defective. What is the probability that exactly…

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Q: It is known that only 0.1% of students at a local university does not own a laptop. A survey was…

A: Given,n=2000p=0.001here n value is very lage and p value is very smallso , we can use poisson…

Q: Assume that the time it takes the housekeeping crew of a local hotel to clean a room varies…

A: Consider X be the random variable representing the time it take to complete the local hotel. X…

Q: A lottery has a grand prize of $60,000, four runner-up prizes of $6,000 each, ten third-place prizes…

A: