12. Rods are taken from a bin in which the mean diameter is 8.30 mm and the standard deviation is 0.40 mm. Bearings are taken from another bin in which the mean diameter is 9.70 mm and the standard deviation is 0.35 mm. A rod and a bearing are both chosen at random. If diameters of both are normally distributed, what is the probability that the rod will fit inside the bearing with at least 0.10 mm clearance?

Q: 2. Medical research has concluded that people experience a common cold roughly two times per year.…

A: GivenMean(μ)=160standard deviation(σ)=40

Q: 1. The average number of milligrams (mg) of cholesterol in a cup of a certain brand of ice cream is…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 2. We are given that the average height for women in America is 64 inches tall with a standard…

A: We have given that the random variable X i.e. height of the women. The Mean μ = 64 inches, standard…

Q: 1.The average length of adult rabbit is 30 cm with the standard deviation of 4 cm. If their length…

A: Given : Let X : Length of adult rabbit is normally distributed with Mean (μ) = 30  (in cm) Standard…

Q: A.What is the mean and standard deviation of the distribution? B.What is the probability that…

A: According to the answering guidelines, we can answer only three subparts of a question and the rest…

Q: a. What are the expected value and standard deviation of the number of cars in the sample that have…

A: Given: Sample size n = 10000 p (defect )= 0.0005

Q: Assume the average attendance of a college game is normally distributed with a population mean of…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: 2. A radar unit is used to measure speeds of cars on a motorway. The speeds are normally distributed…

A: Let X be the radar unit  X~N(mean μ=90, standard deviations σ=10) P(X>100)=?  Note: this…

Q: About 50% of all federal inmates are serving time for drug dealing. A random sample of 16 federal…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Rivers Casino did an audit of all of their blackjack tables and found that the amount of money…

A: Provided information is, Rivers Casino did an audit of all of their blackjack tables and found that…

Q: A road averages 2,785 vehicles per day with a standard deviation of 585 vehicles per day. A traffic…

A: Let X be the random variable from normal distribution with average or mean (μ) = 2785, standard…

Q: A Nielsen Company report states that the mean number of TV sets in a U.S. household is 2.24. Assume…

A: Solution: Given information: n= 85 Sample size  μ= 2.24 Population mean σ=1.2 Population standard…

Q: 3. A line up for tickets to a local concert had an average (mean) waiting time of 20 minutes with a…

A: Formula : Z =(X - μ)/σ

Q: A company determined that on an annual basis, the distance traveled per company car is normally…

A:

Q: Q/The speed of a file transfer from a company server to any employee personal  computer is normally…

A:

Q: 2.) A ski gondola in Vail, Colorado that carries skiers up a mountain bears a plaque stating that…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: The bank of American issues Visa and MasterCard credit cards. It is known that the balances on all…

A: Given information Mean µ = $756 Standard deviation  σ = $210 a) Probability that a randomly selected…

Q: d) If they stop 30 cars during the first hour, find the mean and standard deviation of the number of…

A: Given Information: 90% of drivers do "buckle up" (wearing seat belts). (d) If they stop 30 cars…

Q: The number of shots on goal in an amateur hockey league's games is normally distributed, with a mean…

A: Let us assume X= The number of shots on goal in an amateur hockey league's games Given that X…

Q: 2. The amount of time spent by North American adults watching television per day is normally…

A: Given data The amount of time spent by North American adults watching television per day is normally…

Q: a certain population of the herring, Pomolobus aestivalis, the lengths of the individual fish are…

A: Let X be a random variable which indicates the length of the fish. Here it is given that- mean(μ)=54…

Q: 1. The waiting time at the doctor's office has a normal distribution with a mean of 35 minutes and…

A: Given: μ=35 minutesσ=2.6 minutes

Q: 4. The average public elementary school has 468 students with a standard deviation of 87. If a…

A: Here use given step by step solution and normal distribution of sample mean

Q: A study at a college in the west coast reveals that, historically, 45% of their students are…

A: a) It is known that, the mean of the sampling distribution of sampling distribution, p-hat is equal…

Q: 1) The time until recharge for a battery in a smartphone is normally distributed with a mean of 250…

A: a. Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: 2. The line width for semiconductor manufacturing is assumed to be normally distributed with a mean…

A:

Q: (c) A manufacturer ABC produces tires. The mean distance to wear out of these tires is 108,000 km,…

A: GivenMean(μ)=108000standard deviation(σ)=15000margin of error(E)=0.05confidence…

Q: 2) Assume that men’s weight in the United States are normally distributed with a mean 172 pounds and…

A: Given,   Mean = 172 Standard deviation = 29

Q: 1-The length of time a domestic flight must wait between gate departure and rakeoff taxi at Boston's…

A: (a) Obtain the probability that a plane must wait between 18 and 24 minutes before taxiing for…

Q: 4. Assume that the mean weight of all NFL players is 245.7 pounds, with a standard deviation of 34.5…

A: Hi, since the question posted by you contains multiple sub-parts, we will be providing you with…

Q: 1. The weights of deer in a national park are normally distributed with a mean of 65 kilograms and a…

A: Given that, the weights of deer in a national park are normally distributed with a mean of 65…

Q: A recent survey reported that 47​% of​ 18- to​ 29-year-olds in a certain country own tablets. Using…

A: (a)   Obtain the probability that in the next six 18- to 29-year-olds surveyed, four will own a…

Q: 5. The average salary of bank managers in a certain city is $91,900 pesos per hour with a standard…

A: Let X be the random variable from normal distribution with average or mean (μ) = $91900 and standard…

Q: 1. The Food and Drug Administration is checking the amount of cereal that a breakfast food company…

A: The amount of cereal that breakfast food company is putting in their boxes follows the normal…

Q: 9) For a certain type of computer, the length of time between charges of the battery is normally…

A:

Q: The distribution of average speeds of the top 53 drivers in NASCAR is roughly symmetric, unimodal,…

A: Given: μ=184.4σ=7.2N=53

Q: According to Neilson & Co adults watch an average of 30 hours of a TV a week. Assume the population…

A: X~N(μ,σ2) μ=30, σ=12 Z=X-μσ/n

Q: 1. Suppose the height of a tomato plant follows a normal distribution with a mean of 74.5…

A:

Q: Traveling between two campuses of a university in a city via shuttle bus takes, on average, 28…

A: Given information: Mean μ=28 minutes Standard deviation σ=5 minutes Number of times bus transported…

Q: 4. The weights of male basketball players on a certain collegiate basketball league are normally…

A: Note- Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: 4. The local pizza parlor prepares more than a hundred of pizzas a day, and the weights may vary.…

A:

Q: The Economic Policy Institute periodically issues reports on wages of entry level workers. The…

A: Obtain the probability that a sample of 50 male graduates will provide a sample mean within $0.50 of…

Q: A soft drink vending machine dispenses soda into 12-ounce cups. Tests show that the actual amount of…

A: Soft drink vending machine dispenses soda into 12 ounce cups.  Define the Random Variable, X :…

Q: Charlotte, North Carolina has a mean annual rainfall of 43 inches, with a standard deviation of 4.2…

A: Solution: Given data Mean(μ) = 43 inches Standard deviation(s) = 4.3 inches Amount of rainfall  is…

Q: Suppose that the starting salaries of MBAs at Wilfrid Laurier University (WLU) are normally…

A: Given the data MBA's at WPUNJ MBA's at Rutgers Mean μ1=62000 Mean μ2=60000 SD, σ1= 14500 SD,…

Q: 6. Suppose that the average outstanding credit card balance for young professionals is 11,200 with a…

A: Given : The average outstanding credit card balance i.e. μ=11200 Standard deviation i.e. σ=2600…

Q: 1. A soft drink machine is regulated to that is discharges an average of 150 mL per cup. If the…

A:

Q: 1.The heights of 18 year-old men are approximately normally distributed, with mean 66 inches and…

A: As due to the honor-code, we are authorized to answer only one question and that you haven't…

Q: Long distance telephone calls are normally distributed with a mean of 8 minutes and a standard…

A: Given that, Mean = 8 Standard deviation = 2

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.