Suppose approximately 75% of all marketing personnel are extroverts, whereas about 65% of all computer programmers are introverts. (Round your answers to three decimal places.)   (b) In a group of 5 computer programmers, what is the probability that none are introverts? What is the probability that 3 or more are introverts? What is the probability that all are introverts?

Q: Suppose approximately 75% of all marketing personnel are extroverts, whereas about 65% of all…

A: We have to find given probability.

Q: If couples are selected at random from the population, what is the probability that the first couple…

A: Let p denote the probability of having twins. Given that p = 3% = 0.03 Let X denote the trial number…

Q: otel manager assumes that 13% of the hotel rooms are booked.   If the manager is correct, what is…

A: Given: Population proportion (p) = 0.13 Sample size (n) = 423 The distribution of sample proportion…

Q: A financial analyst believes that if interest rates decrease in a given period, then the…

A: Let event A denotes that the interest rates will decrease in a given period And event B denotes that…

Q: In the first quarter of​ 2013, company A held approximately 76% of the wireless phone market in a​…

A:

Q: the crusty pizza company has determined that 35% of their customers get thin crust pizza. Of the…

A:

Q: A manufacturing company has determined that a machine averages one faulty unit every 600 it…

A: Given that a machine averages one faulty unit every 600 it produces. so the average number of the…

Q: Suppose approximately 75% of all marketing personnel are extroverts, whereas about 55% of all…

A: Solution :

Q: The manager of the Fore and Aft Marina in the previous problem wants to investigate the possibility…

A: (1). Compute the probability that the boat dock will be idle: The arrivals follow a Poisson…

Q: the company figures that the probability of the house being burned down by fire is 0.005, what will…

A: Given that an insurance company insures a house worth P4,500,000 for an annual premium of P25,000.

Q: Fourteen percent of people in Western countries consider themselves lucky. If 3 people are selected…

A:

Q: The National Association of Realtors estimates that 23% of all homes purchased in 2004 were…

A: Probability of success, p=0.23 and n=800.

Q: Thirty percent of the people called agree to participate in a brief telephone survey. In a random…

A: Let X be a random variable follows Binomial Distribution then pmf of X is  P(x)=nCr px (1-p)n-x ,…

Q: It was revealed that 5% of all automobiles in a city did not pass inspection. Of the next ten…

A:

Q: The opera theater manager assumes that 10% of the opera tickets for tonight's show have been sold.…

A: Let X denotes tickets being sold. Probability of a ticket being sold (p) is given to be 0.1. a…

Q: A study on sales of a product determines that on average, there are 490 units sold on a week. What…

A:

Q: A researcher believes that 4%4% of females smoke cigarettes. If the researcher is correct, what is…

A: Where,

Q: An insurance company classifies the airplane it insures into class L (low risk) and class H (high…

A: a) It is given that, the proportion of airplanes belongs to class H is 30% or 0.3.

Q: Past records of a factory show that 4% of the candles produced are defective. What is the…

A:

Q: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces.…

A:

Q: An analyst estimates that the probability of default on a seven year AA-rated bond is 0.49, while…

A: Let; AA = Default on a seven year AA-rated bond A = Default on a seven year A-rated bond Given;…

Q: It is a well-established fact that 40% of people are scared of squirrels. - If we take a SRS of 250…

A: Checking condition to use normal distribution: np=250×0.40=100>10…

Q: An insurance company classifies the airplane it insures into class L (low risk)   and class H (high…

A: Given, P(L)=0.7 P(H)=0.3 P(no accident | L)=0.99 P(no accident | H)=0.88 Conditional probability:…

Q: In a large IT company, 70% of programmers are male while 25% know Python. Eighteen percent of the…

A: Given that P(male) = 0.70 P(know python) = 0.25 P(male and know python) = 0.18

Q: A large national study finds that 10% of pregnant women deliver prematurely. A local obstetrician is…

A: Given: Probability of women deliver prematurely is, p=10%=0.1. Number of pregnant women is, n=16.…

Q: A large national study finds that 10% of pregnant women deliver prematurely. A local obstetrician is…

A: As per bartleby guidelines only 3 subparts are answered, please upload the rest separately. It is…

Q: An airline tracks data on its flight arrivals. Over the past six months, 70 flights on one route…

A: The general formula of probability is: Probability=Number of favourable outcomeTotal number of…

Q: A telephone exchange operator assumes that 5% of the phone calls are wrong numbers. If the operator…

A: Givenproportion p=0.05sample size n=460mean m=p=0.05standard deviation σ=p(1-p)n…

Q: The National Association of Realtors estimates that 23% of all homes purchased in 2004 were…

A: Given: p=0.23 n=800 x=200 The sample proportion is, p^=xn=200800=0.25

Q: A manufacturer of aspirin claims that the proportion of headache sufferers who get relief with just…

A: It is given that, Aspirin claims that the proportion of headache sufferers who get relief with just…

Q: A manufacturer of laptops reports that among a shipment of 5000 sent to a local distributor, 1000…

A: Given: Number of laptop purchased is, n=10. Total number of shipment of laptop is, N=5000. Number…

Q: What is the probability that a randomly selected adult user of the Internet is age 50 or older?…

A: Let us define some events A : adult internet user is age 18-49 B : adult internet user is age 50 or…

Q: Suppose approximately 80% of all marketing personnel are extroverts, whereas about 55% of all…

A: Introduction:

Q: the sales manager knows that 18% of his clients do not pay their debts in full. He supposes that he…

A:

Q: Suppose approximately 75% of all marketing personnel are extroverts, whereas about 65% of all…

A: Solution:

Q: Pinterest claims that 0.3789 of their app users are men. In a sample of 93 randomly chosen app…

A: Given information: Proportion of app users of Pinterest that are men p=0.3789 Number of randomly…

Q: It is reported that 15% of all books sold are of the science fiction genre. If a bookstore sells 316…

A: The binomial probability distribution with parameters n and p is, PX=x=nxpx1-pn-x In the formula, n…

Q: In a large on-the-job training program, half of the participants are female and half are male. In a…

A: Consider the formula for the probability. Assume n to be the total number of the participant…

Q: A group of realtors estimates that​ 23% of all homes purchased last year were considered investment…

A: Givenp=0.23n=800x~Binomial(n=800,p=0.23)

Q: According to the American Dental Association, 60% of all dentists use nitrous oxide in their…

A: Given Data population proportion,p = 0.6 sample size n = 600

Q: the sales manager knows that 10% of his clients do not pay their debts in full. He supposes that he…

A: We have to find out given probabiity that 14%  or more will not be fulfilled in their…