A survey found that 32% of book buyers are younger than 40 years old. If 10 book buyers are selected at random, find the probability that at least one of them is younger than 40 years old. If 10 book buyers are selected at random, find the probability that two of them are at least 40 years old.

Q: Question 19 A recent study of 200 nurses found that of 125 female nurses, 56 had bachelor’s degrees;…

A: Given : A recent study of 200 nurses found that of 125 female nurses, 56 had bachelor’s degrees; and…

Q: Question 6 A bag contains 4 red, black and 6 blue balls. what is the probability that two balls…

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Q: Question 7: Your manufacturing plant produces air bags, and it is known that 10% of them are…

A: Image is attached with detailed solution.

Q: If an average of 40 service calls are required during a typical eight-hour shift in a manufacturing…

A: Solution: 3. Let X be the number of service calls are required during the two hours. From the given…

Q: Question 3 In a high school graduating class of 100 students, 54 studied mathematics, 69 studied…

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Q: Part 1 of 6 (a) The report is open and comes from Bronx. The probability that the report is open and…

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Q: QUESTION 2 In a certain community, 36 percent of families own a dog, and 30 percent of families own…

A: Q.2 Ans: Solution-: Given: P(own a dog)=0.36, P(own a cat)=0.30 Also, dog and cat ownership are…

Q: Question 1 a) Three companies A, B and C supply 25%, 35% and 40% of the notebooks to a school. Past…

A: solution:-a) company A,B,C supply notebooks ro school=25%,35% and 40 % respectivelygiven that…

Q: Part 1 of 3 (a) Find the probability that a student participates in exactly one activity. The…

A: According to the given information, we have The given probability distribution table is given by,…

Q: If the marble we select is yellow, what is the probability that we chose the first bin?

A: here given , We have two bins. The first bin has 6 blue marbles and 4 yellow marbles. The second bin…

Q: The closing price of Schnur Sporting Goods Inc. common stock is uniformly distributed between $20…

A: Given that  X is a continuous random variable.  Probability distribution function( pdf) X~U(a,b)…

Q: A shipment of 50 lamps includes 10 that are defective. A departmental store will receive 20 of these…

A: Answer - A shipment of 50 lamps includes 10 that are defective.                A departmental store…

Q: Question 10 The probability that an American CEO can transact business in a foreign language is…

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Q: QUESTION 2   Three hundred adults were asked whether or not they watch for calories and fat…

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Q: Part: 1/4 Part 2 of 4 (b) Find the probability that the person has high cholesterol. The probability…

A: here  from given information  there are total 13264 adults in sample , of them 6367 had high…

Q: Question 7 A military target must be hit by a missile before troops can move in. The probability a…

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Q: QUESTION 4. You are at a European beach with 60 other visitors. 36 of them speak English. If you…

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Q: Question 18 There are 4 red, 5 green, 5 white, and 6 blue marbles in a bag. If you select 2 marbles,…

A: Use probability concept

Q: According to this simulation, what is the probability that at least one of the next five birds he…

A: Here use probability formula  Probability = (# Favorable outcome)/(#total          outcomes)

Q: Question 1. A construction company needs steel rods with diameters 6 mm and 8 mm for a new building.…

A: Probability: Probability is a chance factor it will occur at every outcome of a random experiment.…

Q: Question 1 What is the probability that a person has fever given that they have malaria? Question 2…

A: Let's denote some events : M= having malaria F=having fever FL=having flu

Q: Question 1: A jar contains 3 red. 5 green, 2 blue and 6 yellow marbles. A marble is chosen at random…

A: Given : A jar contains 3 red. 5 green, 2 blue and 6 yellow marbles. A marble is chosen at random…

Q: Section A Question 1 In a batch of 15 jars of instant coffee, 5 have been under filled. Suppose 6 of…

A: Hypergeometric Distribution: Suppose there is a finite population of size N that contains exactly K…

Q: A customer service desk with 1 worker is able to process an average of 9 customer inquiries per…

A: Arrival rate  λ= 6 per hour Service rate μ = 9 per hour

Q: Question 9 What is the probability that you inspect at most 5 avocados from the bin? Answer: 0.1234…

A: The probability of a randomly selected ripe avocado is p=0.59. Thus, the probability of selecting an…

Q: QUESTION 11 A bag contains 6 red chips and 8 blue chips. Two chips are selected randomly without…

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Q: Question 28 Consider a bag containing 73 purple marbles, 91 green marbles, and 36 yellow marbles.…

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Q: Part 3 of 6 A new sample of 140 freshmen is selected. Find the probability that less than 29% of the…

A: We want to find the probability by using standard normal distribution table.

Q: QUESTION 13 Look at the following table, showing the number of domestic and international students…

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Q: Question 4: In a one-off Dungeons and Dragons campaign, Himo would like to be the team leader. The…

A: Probability of an event is computed by taking the ratio of number of favourable outcomes to total…

Q: Part 1 of 3 (a) What is the probability that an asthma patient is between 18 and 44 years old? The…

A: It is given that  Total number of patients = 409689 Number of patients between 18 and 44 years old =…

Q: Part 3 of 6 A new sample of 79 adults is drawn. Find the probability that more than 38% of the…

A: The proportion of U.S. adults with high blood pressure is 0.4, and a sample of 39 U.S. adults are…

Q: QUESTION 4 a) In a certain university 60% percent of students are females. 50% of the females study…

A: One method to solve this is using conditional probability, but an easier way is to assume total…

Q: Question 2 options: Statistical data for a particular city in Canada in 2013 shows that the number…

A: From the provided information, The number of residents between ages of 20 and 34 was 149745. 113900…

Q: Question 4: One bag contains 4 white balls and 2 black balls; another contains 3 white balls and 5…

A: Probability is defined as the ratio of number of favorable outcomes to the total possible outcomes.…

Q: recent survey revealed that 37 % of College students exercise regularly. If 5 College students are…

A: From the given information we find the probability.

Q: Consider the number of blocks on the master file that are read before the first block is updated.…

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Q: Question 1 In a survey of top executives, it was found that 54% had either traveled internationally…

A: "Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you.…

Q: It is known that 50% of adult workers have a high school diploma. If a random sample of 6 adult…

A: Given: It is known that 50%  of adults workers have a high school diploma.  If a random sample of 6…

Q: Question 2 (a) One of the famous fast-food chains in Malaysia has a brand name recognition rate of…

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Q: Part 4 of 6 (d) Find the probability that no tires have low air pressure. The probability that no…

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Q: Question 5 A boy has 10 red and 10 blue marbles. He only needed to take out 15. What is the…

A: The term probability is defined as the chance of occurrence of an event. The probability value…

Q: Part 1 of 5 The probability that the patient had exactly 2 tests done is

A: We have given that the frequency distribution shown the number of medical tests conducted on 30…

Q: What is the probability that a randomly selected college senior prefers to watch Parks and Rec?

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Q: Question 8 A recent study found that 29 % of college students change programs during their college…

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Q: Question 6 A recent survey showed that 14% of men would likely develop prostate cancer at some point…

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Q: Part 3 of 4 (c) Find the probability that 12 or more of the flights were on time. The probability…

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Q: EXAMPLE 32. The probability that a contractor will get a plumbing contract is 2/3, and the…

A: let;event F:a contractor will get a plumbing contractand event E: a contractor will get an electric…

Q: Question 8 ( A computer game is designed in such a way that a player either wins with probability…

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Q: QUESTION 6 It is known that a particular machine produces 90% non-defective electrical components. A…

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