The probability that a person will die when he or she contracts a virus infection is 0.002.  Of the next 1500 people infected, what is the mean number who will die?

Q: Twelve people are given two identical speakers to listen to for differences, if any. Suppose that…

A: Solution

Q: 5.2) If NBA player Steve Nash's free throw percentage is 89%, determine the probability that the he…

A: Binomial distribution is given by

Q: b. Perform the calculations to find the expected number of individuals who plead guilty and are sent…

A: The formula to find the Expected frequency is,

Q: An average of 50 students arrive at the university each 30 minutes. What is the probability that 95…

A: Givenon average 50 students arrive at the university each 30 mintuesfor 30 minutes = 50 students for…

Q: . Approximate the probability of fewer than 350 errors in a month. 2. Approximate a value so that…

A: Phoenix water is provided to approximately 1.4 million people who are served through more than…

Q: . The probability that a computer running a certain operating syste, crashes on any given day is…

A: Given: Probability of crashing on a day (p) = 0.05 Let X be the geometric random variable…

Q: 3. In the mass production of bolts it is found that 5% are defective. Bolts are randomly selected…

A: Givenn=10p=0.05Let X=no.of defective boltsX~Binomial (n=10 , p=0.05)P(X=x)=10x 0.05x 1-0.0510-x   ;…

Q: In a certain city district, the need for money to buy drugs is stated as the reason for 76% of all…

A: Given data: p = 76 % = 0.76 n = 5

Q: Consider the probability that ta least 25 out of a sample of 1200 people will use the emergency room…

A: Given the large sample size and the binary nature of the outcome (either a person uses the emergency…

Q: 3. Suppose that, on average, 1 person in 1000 makes a numerical error in preparing his or her income…

A: On average 1 person in 1000 makes a mistake. So, average number of mistakes in 10000 forms =…

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: Suppose that in the bookkeeping operation of a large corporation the probability of a recording…

A: Givenp=0.005n=1000Let "x" be the billings contain a…

Q: 32. A baseball player with a batting average of 0.291 has a probability of 0.291 of getting a hit…

A: The batting average of a baseball player is 0.291. The probability of getting a hit for a given time…

Q: Suppose 57% of the population has a college degree. If a random sample of size 770 is selected,…

A: the pdf of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: Suppose the prevalence of alcoholism among college students is 20% among those living in group…

A: It is given that the prevalence of alcoholism(A) among college students is 20% among those living in…

Q: If 90% of the athletes who test positive for steroids in fact use them, and 10% of all athletes use…

A:

Q: a. What is the probability that there will be 16 accidents on the Dhaka Tangail highway in the next…

A: Let X=number of occurrence of a particular event in an interval of time of space. It is given that…

Q: 48. Motor Vehicle Accidents in New York City. In a one­year period, New York City had a total of…

A: Given: λ=14.460*15 λ=3.6

Q: Duchess County, New York, has been experiencing a mean of 35.4 motor vehicle deaths each year (One…

A: Givenmean of 35.4 motor vehicle deaths each year for each day =35.4365    (since  1 year=365…

Q: outh Smoking Twò ðut 8I cquired the habit by age 14. If 400 smokers a andomly selected, find the…

A: Given X~ Binomial n=400 p=0.4

Q: a penalty being assessed is 0.31. What is the probability that your tax return is audited but you do…

A: Here  Given  Probability of tax return being audited=P(A)=0.02 ProbabIlity of Penalty being assessed…

Q: If the estimated mean of crashes at intersection is 10, what is the probability of having 5, 10 and…

A: Given the estimated mean of crashes at an intersection is; μ=10 Let, X = The number of crashes next…

Q: 1. A patient newly diagnosed with a serious ailment is told he has a 60% probability of surviving 5…

A: In the medical field, patients often receive information that may be difficult to comprehend,…

Q: 6. If a fair coin is to be flipped 2,500 times, find an approximation for the probability that the…

A: A fair coin is flipped 2500 times. Define the random variable, X : Number of heads in 2500 tosses.…

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: In 100 tosses of a fair of coin, the expected or mean number of heads is

A: given data  n = 100 tosses fair coin so, P(head) = p  = 1/2 = 0.5 x = no. of heads tossed E(x) = ?

Q: The table below shows the number of deaths in the U.S. in a year due to a variety of causes. For…

A: Given, the number of deaths in the U.S in a year due to variety of causes.

Q: 2. The probability that a patient recovers from a skin disease is 0.45. If 20 people are known to…

A: Given that  Number of trials n=20 Success of probability p =0.45 X~Bin(n,p)

Q: Find the probability distribution for the number of heads that will occur when 5 coins are tossed

A: Given,  No of coins tossed = 5 Let x be the number of heads appeared during the tossing of 5 coins.…

Q: If the Bit Error Rate (BER) in a wireless communication system in 0.5%, then find the followir side,…

A: 100 Megabytes (MB) = 838,860,800 Bits Bit Error Rate= Number of bits having error/ Total bits…

Q: expected value

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

Q: A manufacturing machine has a 55% defect rate. If 103 items are chosen at random, answer the…

A: Sample of size(n)=103Probability of success=p=0.55

Q: b. What is the probability that a simple random sample of 55 unemployed individuals will provide a…

A: For the distribution of the no. of weeks an individual is unemployed, it is given that:The…

Q: 4. A parent's chance of passing a rare inherited disease on to a child is 0.25. What is the…

A:

Q: 2. The mean number of power outages in the city of Manila is 4 per year. Find the probability that…

A:

Q: 6. In May the probability of a day without precipitation in Oslo is 0.68. Construct the distribution…

A:

Q: 2.Sonic Technology sells a mobile phone at an average rate of 1 per day. Estimate the probability…

A: It is given that Sonic Technology sells a mobile phone at an average rate of 1 per day.

Q: 9. In a large population, 57% of the people have been vaccinated. If 5 people are randomly…

A: 57% of the people are being are vaccinated. Hence probability that a person will be vaccinated =…

Q: On an average, 3.3 accidents occur on the Dhaka Tangail highway per day. a. What is the probability…

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: According to the National Institutes of Health, 55% of adults experience some form of lactose…

A: Let p denotes the population proportion of adults who experience some form of lactose intolerance.…