Island public service ltd has an emergency alarm system at its power station in old harbour bay. When an emergency situation exist the alarm sounds with probability .95 When an emergency situation does not exist, the alarm sounds with probability .2 A real situation emergency situation is a rare event, with probability .004 Given that the alarm has just sounded, what is the probability that a real emergency situation exists?

Q: Forty percent of a company’s total output consists of baseballs, 30% consists of softballs, and 10%…

A: (a) There is forty percent of the company’s total output that consists of baseballs. There is ten…

Q: Ottawa Public Health collects beach water samples every day during the summer. A non-swimming…

A: It is an important part of statistics . It is widely used .

Q: A drag racer has two parachutes, a main and a backup, that are designed to bring the vehicle to a…

A:

Q: In 2014, approximately 13% of nonelderly Americans adults had no health insurance. Suppose that a…

A: Given: Proportion of American adults having no health insurance, p=0.13 Sample size, n=400

Q: b. If one capsule is randomly selected from the daily production, what is the probability that it is…

A: Given data is    Good  Defective Total A 40 35 75 B 35 15 50 C 45 30 75 Total 120 80 200

Q: a) If you are calling this office, what is the probability that you will complete your call on the…

A:

Q: can you please solve every question.

A: Let the state that she attends class is denoted by ‘p’ and absent by ‘q’.The transient states…

Q: An enterprising graduate who has been unable to find gainful employment has taken to visiting an…

A:

Q: a. If a car is rented in city 1, what is the probability that the car is returned in one day to city…

A: From the given table: (1) If a car is rented in city 1, The probability that the card is returned to…

Q: You are planning a​ three-day trip to​ Seattle, Washington, in October. Use the fact that on each​…

A: From the provided information, Someone is planning a three-day trip to Seattle, Washington, in…

Q: Suppose that last month, WestJet flights arrived on time 74% of the time and you were on 3 of those…

A: Given: Number of flights (n)=3 Probability of success (p) = 0.74 Consider X be the random variable…

Q: A corporation has 15,000 employees. Sixty-two percent of the employees are male. Twenty three…

A: If the probability of getting selected for each outcome is equal then such outcomes can be termed as…

Q: 6. If the probabilities are 0.10, 0.14, 0.23, and 0.25, respectively, that a student buying a new…

A: The solution is as follows,

Q: (a) If it has an emergency locator, what is the probability that it will not be discovered? 0.087…

A: here use tree diagram and bayes rule

Q: a. What is the probability that a randomly selected order was placed online?   b. If a person placed…

A:

Q: 17) A shipment of twelve smartphones contains seven with cracked screens. If 18) A small pond…

A: Given that, 17. A shipment of twelve smartphones contains seven with cracked screens. If sold in a…

Q: If the probabilities that an automobile machine will service 3,4,5,6,7, or 8, or more cars on any…

A: Given Information: The following table represents the number of cars that automobile mechanic will…

Q: 24% of all students enjoy the school lunch. If there are 2000 students at the school, what is the…

A: The correct option is 0.8525. It is given that 24% of all students enjoy the school lunch.

Q: In a city, 28% of new cars were stolen within one year of purchase. Suppose two new cars were…

A:

Q: A company is marketing a new video game. Market research indicates that 9% of the the market has…

A: Given Information: 9% of the the market has seen an advertisement for the new game.  28% of those…

Q: A marketing research firm advises a new client that approximately 15% of all persons sent a…

A: Given, A marketing research firm advises a new client that approximately 15% of all persons sent a…

Q: A recent college graduate is planning to take the first three actuarial examinations in the coming…

A: The probability that she passes first exam, say event E1 = P(E1) = 0.3 The probability that she…

Q: At a tune-up and brake repair shop, the manager has found that a car will require a tune-up with…

A: The probability that a car will require a tune-up is P(Tune)=0.6 The probability that a car will…

Q: Every year many people hiking the australian outbacks are reported to be lost, and around 40% are…

A: Let R be the event to denote found by rescue missions       R' be the event to denote not found by…

Q: Every morning Ramona misses her bus with probability 1/10, independently of other mornings. What is…

A:

Q: 28% of symptomatic COVID-19 patients whose age group is 50 to 60 years are hospitalized. For the…

A: Given that - 28% of symptomatic COVID-19 patients whose age group is 50 to 60 years are…

Q: a. If an operator wants to take a one-minute break, what is the probability that there willI be no…

A: Here as PER POLICY I SHOULD HAVE TO CALCULATE 3 SUBPART ONLY EVEN THOUGH I HAVE CALCULATED ALLL

Q: All Seasons Plumbing has two service trucks that frequently need repair. If the prob- Alliy the…

A: From the provided information, Let A be the event which represents first truck is available and B be…

Q: Given a family of two children (assume boys and girls equally likely, that is, probability 1/2 for…

A: Probability of both boys and girls is 12. Determine the probability that both are Boys. P(both…

Q: Real estate ads suggest that 58 % of homes for sale have garages, 18 % have swimming pools, and 17 %…

A: Given : Real estate ads suggest that 58 % of homes for sale have garages,18 % have swimming pools,…

Q: (a) If he has brown hair, what is the probability the he has also brown eyes. (b) If he has brown…

A:

Q: You are planning a three-day trip to Seattle, Washington, in October. Use the fact that on each day,…

A:

Q: At a certain car dealership, 20% of customers who bought a new vehicle bought an SUV, and 3% of them…

A: It is given that, the proportion of customers who bought a new vehicle bought an SUV is 0.20 and the…

Q: There is a 0.39 probability that John will purchase a new car, a 0.73 probability that Mary will…

A:

Q: (b) what is the probability that it does not get both?

A: let A be the event all households get ineternet and B be the event that get the cable Given…

Q: 16. Two rescue crews set out to find a lost hiker in the Kern Canyon. Suppose the first crew has a…

A: Given Let A be the event where crew 1 finds the hiker before nightfall       B be the event where…

Q: 1) From experience the manager of a bookstore knows that 40% of the people who come into the store…

A: 1) From experience the manager of a bookstore knows that 40% of the people who come into the store…

Q: Q1: If one card is drawn from a standard deck, what is the probability that the card is a face card?…

A: No. of cards in astandard deck = 52No. of face cards in a deck = 12

Q: f the  Jiffy Oil service rate for changing the oil in passenger cars is seven cars per hour.  What…

A: Given Information: The service rate for changing the oil in passenger cars is seven cars per hour.…

Q: witch is planting a garden. In one of her garden beds, she plants asparagus with probability 0.331,…

A:

Q: 4. Sixty percent of the families in a certain community own their own car, thirty percent own their…

A:

Q: Approximately 6% of the male population is color-blind. If a random sample of 250 male adults is…

A: The random variable color-blindness follows binomial distribution. We have to find the probability…

Q: A financial advisor frequently holds investment counseling workshops for persons who have responded…

A: Let X be a random variable denoting the number of sign ups foradvanced class . Then , the…

Q: A drag racer has two parachutes, a main and a backup, that are designed to bring the vehicle to a…

A: Let p1 and p2 be the probability of the first parachute deploys successfully and p2 be the…

Q: A certain airline books 250 passengers for a certain flight that can seat only 212. If past studies…

A:

Q: A drag racer has two parachutes, a main and a backup, that are designed to bring the vehicle to a…

A: Consider an event A defines that main parachute deploys and event B defines that backup parachute…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.