12. In a certain town, males and females form 50 percent of the population. It is known that 20 percent of the males and 5 percent of the females are unemployed. A research student studying the employment situation selects unemployed persons at random. What is the probability that the person selected is i) a male ii) a female?

Q: 2. A large corporation determines that 20% of its employees leave the company taking up an offer…

A: Given Data : P =20% =0.2 q = 1-p = 1-0.2 = 0.8 n = 16

Q: A bag of 25 tulip bulbs contains 11 red tulip​ bulbs, 8 yellow tulip​ bulbs, and 6 purple tulip…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: 4. A box of ten items contains 7 good and 3 defective items. If a sample of two items is selected,…

A: 4. There are totally 10 items in a box out of which 7 are good and 3 are defective. The sample of…

Q: Ten percent of the engines manufactured on an assembly line are defective. If engines are randomly…

A: Given information: 10% of the engines manufactured on an assembly line are defective. If engines are…

Q: Suppose a research has a random sample of 106 social robots, 63 were built with legs only, 20 with…

A: Dear student ,as per written in guidelines we answer first three subparts only. Solution.

Q: . 3 A bouquet of 6 flowers is made up by randomly choosing between roses and carnations. What is the…

A:

Q: 1. If two fair dice are rolled, what is the probability that the sum will be greater than or equal…

A: We first make a table for the outcomes when two dice are rolled. sum Outcomes Number of…

Q: (a) Suppose one of these people is selected at random. Compute the probability that the person…

A: HERE AS PER GUIDELINES I HAVE CALCULATED 3 SUBPARTS  HERE USE GIVEN DATA TABLE and basic probability…

Q: An insurance company rents 35% of the cars for its customers from agency I and 65% from agency II.…

A:

Q: 13. An airline knows that 5 percent of the people making reservations on a certain flight will not…

A: 5 percent of the people making reservations; q=0.05 Policy is to sell 52 tickets for a flight Total…

Q: A bag of 29 tulip bulbs contains 12 red tulip bulbs, 10 yellow tulip bulbs, and 7 purple tulip…

A: Given data: Total bulb  = 29 tulip bulb  12 = redtulip bulb 10 yellow tulip bulb 7 purple tulip bulb

Q: A shipment of 30 compressors contains 5 defectives. if we select a sample of 5 units at random for…

A: a. Let X be the number of defectives. From the given information, there are 30 compressors. It…

Q: A bag of 29 tulip bulbs contains 12 red tulip bulbs, 10 yellow tulip bulbs, and 7 purple tulip…

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…

Q: 3. Suppose at a small college, 30% of the students are freshmen, and 60% of the students live on…

A:

Q: In a group of 2500 persons, are female, 600 are vegetarian, and are female and vegetarian. What is…

A:

Q: 1. What is the probability that a person chosen at random from the population reads the Maxzeitung?…

A:

Q: A committee of 5 members is to be chosen from 9 female students and 6 male students. How many ways…

A: It is given that Total students = 9+6 = 15 Number of committee members = 5 Note : Since you have…

Q: According to a recent​ study, 64​% of households from a certain large region no longer have a…

A: The random variable cell phone service follows binomial distribution. The value of the proportion is…

Q: 1. One prominent physician claims that 70% of those with lung cancer are chain smoker. If his…

A:

Q: 5. With regards to a particular gene, the percentage of genotypes AA, Aa, and aa in a particular…

A:

Q: 1. Study of consumer buying habits revealed that 30% of consumers only shop in retail brick and…

A:

Q: Suppose that 5 percent of men and 0.25 percent of women are colour-blind. A colourblind person is…

A: Given that 5% of men and 0.25% of women are colour-blind and there are an equal number of males and…

Q: A class has 36 students. Each student studies either Math or Computer or both. 20 students study…

A: It is given that, 20 students study Math i.e. n(Maths) = 20 and 25 students study Computer i.e.…

Q: 3) Each year a college awards five merit scholarships to entering freshmen with exceptional high…

A: PBoth men and women will receive scholarships=1-POnly men or only women will receive…

Q: 6-) If three balls are randomly drawn from a bow containing (6) white and (5) black balls, what is…

A: Number of white balls are 6 and number of black balls are 5, so total number of balls are 6+5=11. 3…

Q: 10.A car insurance company has determined that 9% of all drivers were involved in a car accident…

A: Given: Probability of success (p) = 9% = 0.09 Number of drivers (n) = 14 Consider, X be the random…

Q: 20. Suppose that 21% of people own dogs. If you pick two people at random, what is the probability…

A: Given,The probability people own dogs is 0.21

Q: 4.8) Suppose that 5 percent of men and 0.25 percent of women are color-blind. A person is chosen at…

A:

Q: A bag of 29 tulip bulbs contains 10 red tulip​ bulbs, 11 yellow tulip​ bulbs, and 8 purple tulip…

A: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts. In…

Q: 2. According to data from Statistics Canada, Chinese is the mother tongue of 8.1% of Toronto…

A: Provided information is, chinese is the mother tongue of 8.1% of toronto residents. This situation…

Q: 15. A football team scores on average 2.25 goals per game, what is the probability that the team…

A: Given that, A football team scores on average 2.25 goals per game. We need to find the probability…

Q: A bag of 25 tulip bulbs contains 10 red tulip bulbs, 9 yellow tulip bulbs, and 6 purple tulip bulbs.…

A:

Q: 4. One prominent physician claims that 70% of those with lung cancer are chain smokers. If this…

A: Given problem is :

Q: 3. In a factory which manufactures bolts, machines A, B and C manufacture respectively 25%, 35% and…

A: Q.3. Solution : Given : A : Bolts manufactured by machine A             B : Bolts manufactured by…

Q: 3. A traffic control engineer reports that 75% of the vehicles passing through a checkpoint are from…

A: 3)  -probablity is 3/7

Q: 2. A committee consisting of four women and three men will randomly select two people to attend a…

A: Hi, you have posted multiple question. As per the guidelines i am obliged to answer only first part.…

Q: In a tank containing 10 fishes, there are three yellow and seven black fishes. We select three…

A: Hypergeometric distribution is given by

Q: A bag of 31 tulip bulbs contains 13 red tulip​ bulbs, 8 yellow tulip​ bulbs, and 10 purple tulip…

A: As per our guidelines,we are allowed to answer first three sub-parts only.Thanks   A bag of 31 tulip…

Q: 4) The Tauroto region contains 31 different species of IceCream-type small monsters. Each capture of…

A: Given, The tauroto region contains 31 different species of Icecream-type small monsters Each capture…

Q: A psychology class consists of 14 males and 36 females. If the professor selects names from the…

A: A psychology class consists of 14 males and 36 females. If the professor selects names from the…

Q: 9.1% of 16-17-year-olds drop out of high school. In addition, 5.8% of White 16-17 year-olds drop out…

A:

Q: 2) Twenty-six percent of couples who plan to marry this year are planning destination weddings. In a…

A: Given : p= 0.26 q = 1 - p    = 1 - 0.26 = 0.74 n = 12

Q: 11. In a management trainee program, 80% of the trainees are female, while 20% are male. Ninety…

A:

Q: 4.The mortality rate for a certain disease is 25%. A random sample of twelve patients with this…

A: It is given that n = 12 and p =0.25.

Q: 3.12 In a city of 180,000 people there are 20,000 legal im- migrants from Latin America. What is the…

A: Probability: Probability is a chance factor that occurs at every outcome of a random experiment.…

Q: The distribution of car rental by municipal members from the three companies is as follows:60% from…

A: Given, P( company-1) = 60% = 0.6 P( company-2) = 30% = 0.3 P( company-3) =10% = 0.1 P( Require…

Q: 4. A psychology class čConsists of 28 males and 52 females. If the professor selects names from the…

A: a). The formula of combination is : ,  where n=Total number of objects in the data set. r=Number of…

Q: 16. Ten percent of the students at a certain college are non-resident. A reporter for the student…

A:

Q: 15. Suppose a fast-food restaurant can expect 6 customers every 9 minutes, on average. a) What is…

A:

Q: 4/ A public health researcher examines the medical records of a group of 837 men who died in 1998…

A: We first make a table using the given data   died from heart disease did not die from heart…

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.