or the fiscal year​ 2007, a tax authority audited 1.74​% of individual tax returns with income of​ $100,000 or more. Suppose this percentage stays the same for the current tax year. What is the probability that two randomly selected returns with income of​ $100,000 or more will be​ audited?

Q: If the mean number of serious accidents per year in a large factory is 4, find the probability that…

A: Obtain the probability that in the current year there will exactly 4 accidents. The probability that…

Q: In a standard deck of cards, what is the probability that a person selects first a face card and…

A: given data  standard deck of 52 cards  select cards without replacement P(first face card and then…

Q: According to a 2009 Reader's Digest article, people throw away approximately 20% of what they buy at…

A: Given data Probability of throwing away (p) = 0.2 No of grocery shoppers(n) = 100 Probability that…

Q: Suppose the probability of an IRS audit is 2.0 percent for u.s taxpayers who file form 1040and who…

A: Given information- The probability of an IRS audit is 2.0 percent for U.S taxpayers. So, Number of…

Q: If the probability that an individual will suffer a bad reaction to a given vaccine is 0.17.…

A:

Q: According to a 2009 Reader's Digest article, people throw away about 11% of what they buy at the…

A: We have to find given probability

Q: A California water company has determined that the average customer billing is $1,225 per year and…

A: Mean =  µ = $1225  And distribution is exponential

Q: A telephone network substation will keep trying to connect a long-distance call to a trunk line…

A: Let us suppose the success probability is given as 0.65 Success in this problem is connecting a long…

Q: Camila sets up a passcode on her smart phone, which allows only five-digit codes. She has heard that…

A: Given : The passcode consists of 5 digits  Out of 5 digits one digit appeared 2 times (because…

Q: Suppose 55% of the doctors in a hospital are surgeons. If a sample of 496 doctors is selected, what…

A: In hospital ,  There are 55% of doctors are surgeons  Sample size = N = 496  P(sample proportion of…

Q: what is the probability that one randomly selected person will have average income between $72000…

A: From the above calculation we have  Mean= µx̅ = µ = 75847Standard deviations (σx̅ ) =3200

Q: What is the probability that the two sample proportions will differ by more than

A: From the given information, p=6.2%=0.062p1=10.2%=0.102n1=500p2=8.3%=0.083n2=200

Q: An insurance company sells a $9,000, nine-year term life insurance policy to an individual for $460.…

A: The objective of this question is to calculate the expected return for the insurance company from…

Q: 50 raffle tickets were sold for $5 apiece, with a chance to win a flat screen TV values at $700.…

A: The price can be won only one of the ticket out of 250 raffle tickets  So,  P(win) =1250P(Loss) =…

Q: Kiara sets up a passcode on her tablet, which allows only six-digit codes. She has heard that it's…

A: Kiara sets up a pass-code on her tablet, which allows only six-digit codes. She has heard that it's…

Q: what is the probability that greater than 12.72% of them ended up dropping out?

A: Let p be the dropout rate of high school. Given that, Population proportion (p) = 10.28% = 0.1028 q…

Q: Find the probability that it was not filed against united Airlines

A: We have given that  Number of complaints filed against United Airlines = 1172  Total number of…

Q: On a five-day vacation, the forecast is a 55% chance of rain every day. What’s the probability that…

A: Let p denote the probability of rain every day = 0.55 Let n be days in an vacation = 5 Let the R.V X…

Q: If the probability that your DVD player breaks down before the extended warranty expires is 0.046​,…

A: Let 'E' be the event representing that the DVD player breaks down before the extended warranty…

Q: According to the british Ministry of Health, the probability of a woman developing breast cancer…

A: Given: Number of women (trials) = 10 Probability of breast cancer (p) = 310= 0.3 X be the binomial…

Q: Suppose 52% of the students in a university are baseball players. If a sample of 436 students is…

A: Given thatThe proportion of the students in a university are baseball players = 0.52Total sample…

Q: Avery sets up a passcode on her tablet, which allows only seven-digit codes. She has heard that It's…

A: Given Number of ways to have seven digit code from these 6 digits

Q: Smith is a weld inspector at a shipyard. He knows from keeping track of good and substandard welds…

A: smith checks 300 of the 7500 welds completed that shift.suppose x be the number of substandard…

Q: Suppose you take a 10 question quiz, with 4 options choices, only one is correct. What is the…

A: Given data:   The total numbers of questions are N=10. The numbers of options for a question are…

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: Suppose the probability of an IRS audit is 2.9 percent for U.S. taxpayers who file form 1040 and who…

A: Given that in the question  Probability of an IRS audit is 2.9 percent for U.S. taxpayers who file…

Q: Suppose the probability of an irs audit is 1.4 percent for us tax payers who file form 1040 and who…

A: Given Probability of audit =1.4% Probability of no IRS audit=1-0.014=0.986

Q: expected value

A: Let X be the random variable representing the number of policies sold by the salesperson. The…

Q: An insurance company sells a $2,000, eight-year term life insurance policy to an individual for…

A: Given that the individual will live for the next eight years is 0.99. So, the probability that the…

Q: Suppose 51% of the population has a retirement account.   If a random sample of size 530 is…

A: Using ‘normal approximation conditions’ check whether the proportion can be approximated to normal…

Q: It is estimated that 3.5% of current high school seniors will live past their 90th birthday. If a…

A:

Q: Suppose the probability of an IRs audit is 4.2 percent for U.S taxpayers who file form 1040 and who…

A:

Q: Suppose that 24% of US adults favor an increase in taxes.  What is the probability that in a group…

A: According to the given information, we have Sample size, n = 8 Given that 24% of US adults favor an…

Q: Suppose that on the average, 7 students enrolled in a small liberal arts college have their…

A: Let X=no.of enrolled in a small liberal arts college have their automobiles stolen during the…

Q: In a certain study, the chance of encountering a car crash on the road is stated as 20%. Express…

A: We know that for an event E the probability of the event E is given by; P(E)=Number of favourable…

Q: In a recent year 304 of the appoximately 300,000,000 people in the USA were struck by…

A: There are 300,000,000 people in the United States in which 304 people were struck by lightning. The…

Q: A bank received on average 9 bad cheques per day, what is the probability that the bank will receive…

A: Answer: From the given data, Average rate of bad cheques (λ) = 9 X follows Poisson distribution(λ) X…

Q: An insurance company issues a policy for a diamond ring worth $15,000 for an annual premium of…

A: Given that diamond ring worth = $15,000  annual premium = $225.00 probability of the ring = 0.005

Q: A card is drawn from 52 playing cards. If the card drawn is a diamond card, what is the probability…

A: