21. Birth weights of babies born to full-term pregnancies follow roughly a normal distribution. At Asian Hospital, the mean weight of babies is 7 Ibs with a standard deviation of 14oz. (1 lb = 14 o). Dr. Watts has four deliveries coming up during the night. Assume the birth weights of these babies can be viewed as a simple random sample. 16. What is the probability that the average weight of the four babies will be more than 7.5 Ibs? 0.65% 30.85% 15.87% 12.65%

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: 4. The lifetime of an electronic component follows a normal distribution with a mean of 38 hours and…

A: Let X denote the lifetime of electronic component. X~ Normal (mean=µ=38, SD=ơ=2.5) (a) The…

Q: 2. The weight of 2,000 students are normally distributed with the mean of 46kg and standard…

A: First we find the required probabilities for getting the answers for given problems, (a) (b) (c)…

Q: The U.S. Bureau of Labor Statistics released hourly wage figures for various countries for workers…

A: Let X: the hourly wage of Switzerland X~N(30.67, 4) a) Let Number of workers=n=35 Sample mean…

Q: A large candy company has a product that comes in several different colors. The company claims that…

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

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

A: Normal distribution- The study of the normal distribution or Gaussian distribution has multiple…

Q: 2. The width of white board markers manufactured by a company is approximately normally distributed…

A:

Q: 1. Suppose family incomes in a town are normally distributed with a mean of P25000 and a standard…

A: Probability: A probability allows us to find the chance of an event's occurring in an experiment.…

Q: 6. If the probability of a defective bolt is 0.1, find (a) the mean (b) the standard deviation for…

A: Given,n=400Probability of success(p)=0.1Probability of failure(q)=1-0.1=0.9here we can use binomial…

Q: 1. The mean weight of 5-year-old children is 39.5 pounds, and the standard deviation is 3.2 pounds.…

A: Given that  X~N(μ= 39.5 , σ= 3.2 ) μ= 39.5 , σ= 3.2 , n=52

Q: 5. The average number of acres burned by forest and range fires in a large New Mexico county is…

A: 5) Given Information: Mean μ=4300 Standard deviation σ=750

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: 1. Given a normal distribution with a standard deviation of 14, what is the mean if 40% of the…

A: Solution: See the hand written solution

Q: 2. The width of white board markers manufactured by a company is approximately normally distributed…

A: 2 a. Obtain the sampling distribution of the sample mean. The sampling distribution of the sample…

Q: 1. Assume that the amounts of weights that male college students gain during their freshman year are…

A:

Q: 2. The average daily jail population in the New Bilibid prison in Muntinlupa City is 36,295. If the…

A: The average population of jail is 36,295. The standard deviation of the population in jail is 3760.

Q: 5.The weights of adult males are normally distributed with mean of 172 pounds and a standard…

A:

Q: 1. The director of admissions at Kinzua University in Nova Scotia estimated the distribution of…

A:

Q: 4. In a city, it is estimated that the daily maximum temperature in June is normally distributed…

A: (4.2) Obtain the probability that one day in June has a maximum temperature of more than 33°C. The…

Q: he U.S. Bureau of Labor Statistics released hourly wage figures for various countries for workers in…

A: Solution: Given information: μ= $30.67  Population mean  of Switzerland μ= $20.20 Population mean…

Q: Suppose that the mean and standard deviation of plants height are 130 and 42, respectively, if a…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 130, standard…

Q: The U.S. Bureau of Labor Statistics released hourly wage figures for various countries for workers…

A: NOTE-By bartleby rules, only first question has been answered. As per given by the table, There are…

Q: 3. The average cholesterol content of a certain brand of eggs is 215 milligrams, and the standard…

A: Given mean μ = 215standard deviation σ = 15we need to calculate two parts of probability

Q: The U.S. Bureau of Labor Statistics released hourly wage figures for various countries for workers…

A: (b)   Obtain the probability that the sample average will be exceeds $21.00 for a sample of 34…

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: The U.S. Bureau of Labor Statistics released hourly wage figures for various countries for workers…

A:

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: The U.S. Bureau of Labor Statistics released hourly wage figures for various countries for workers…

A: The random variable X follows normal distribution. We have to find the probability of sample mean by…

Q: 1.) The average repair cost of a microwave oven is $55, with a standard deviation of $8. The costs…

A: 1) Given that the mean is $55 and the standard deviation is $8. The costs are normally distributed.…

Q: 1. A 100-watt light bulb has an average brightness of 1640 lumens, with a standard deviation of 62…

A:

Q: a)State the distribution for the height of a randomly selected Australian adult male, in…

A:

Q: The U.S. Bureau of Labor Statistics released hourly wage figures for various countries for workers…

A: Let, 1: Switzerland 2: Japan 3: U.S. μ1=30.67μ2=20.20μ3=23.82σ=4

Q: The U.S. Bureau of Labor Statistics released hourly wage figures for various countries for workers…

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

Q: 3) Suppose the annual savings (in millions of euros) of a specific household is a random variable,…

A: Let, X: Annual saving of specific household Mean=μ=5 S.D.=σ=1 n=random sample=16 X~N(μ=5,σ=1) Then…

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

A:

Q: 4. The heights of adult males in Iceland are normally distributed with mean 181.7 cm and standard…

A: Let X be the height of adult males in Iceland.  It is given that height of adult males follows…

Q: (A)Find the probability that the disposable income of a resident is more than $45,000. Is this an…

A: Let X denote the per capita disposable income. Given that X follows N(mean = 44000, SD = 2450), then…

Q: Assume the number of physical damage losses for houses as a result of hurricane Irma in Barbuda is…

A:

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

A:

Q: 2. The number of pages in a PDF document you create has is randomly distributed between 5 and 9…

A:

Q: 9. The compressive strength of samples of cement can be modeled by a normal distribution with a mean…

A: Given: The mean strength of samples of cement is μ=6000 kg/cm2. The standard deviation is σ=100…

Q: A. The average cost per household of owning a brand new car is 5,000. Suppose that we randomly…

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

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

A: Given,mean(μ)=680standard deviation(σ)=40

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: 1. The average time a person spends in a library is 30 minutes. The standard deviation is 6 minutes.…

A: Since you have posted multiple questions , we will solve first question for you. To get the…

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

A: Solution: 1. Let X be the length of time a domestic flight must wait between gate departure and…

Q: 1. The average salary of senior high school teachers is P 21,200. Assume a normal distribution with…

A: (1) Let X denote the salary of high school teachers follows normal distribution. That is, The…