4. The heights of adult males in Iceland are normally distributed with mean 181.7 cm and standard deviation 6.8 cm. a) What is the probability that an adult male chosen at random is between 181.7 cm and 190 cm tall? b) What percentage of the adult male population is more than 5 feet 9 inches tall? Retake Use Photo

Q: 4. Consider that in a population of Filipino adults ages 18 to 65, Body Mass Index (BMI) is normally…

A: Given: X~N(μ,σ)μ=28σ=6

Q: Assume the room rate for a​ three-star hotel in a European city follows a normal distribution with a…

A:

Q: (a) What is the probability that a randomly selected cylindrical metal bar has a length longer than…

A: here mean = 11 cm standard deviation = 0.25 cm X= length of cylindrical metal bar

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: suppose that vehicle speeds at an interstate location have a normal distrubution with the mean equal…

A: Solution-: Given: μ=112km/h,σ=12.9km/h We want to find, (a) The z score for a speed of 103 km/h ?…

Q: If the mean height of a population of students is 68 inches with standard deviation 3 inches, what…

A: Given that      The mean height of a population of students is 68 inches with standard deviation 3…

Q: 6. Suppose the mean weight of school children's book bags is 17.5 pounds, with standard deviation…

A: Solution :-

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: 4. The height of adult males is normally distributed with a mean of 65 inches and a standard…

A: Mean(µ) = 65Standard deviations (σ) = 2.5X ~ N (µ, σ )= N(65, 2.5)

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: Cititon Forest contains a population of 326 chupacabra, whose masses have a mean of 30.2 kg and a…

A: Given that ; N = 326 u = 30.2 kg n = 70 kg ? = 7.4 kg By using standard normal distribution we solve…

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

A:

Q: 2. Suppose the wait times at doctor's office are normally distributed, with mean of 30 minutes and a…

A: Let, X= wait time in office μ=mean=30 σ= sd=10

Q: A web site reported in 2018 that 47% of all web traffic comes from laptops and desktops. Based on a…

A:

Q: Suppose that the average cell phone bill at Bellevue University is $38.90 per month with a standard…

A: Given that, μ=$38.90σ=$3.64n=44 The mean standard deviation of sampling distribution of sample mean…

Q: 1. If the measure of systolic blood pressure is normally distributed with a mean of 120 and a…

A: Hello, since your question has multiple parts, we will solve the first question for you. if you want…

Q: 7. The City Transport and Traffic Management Office (CTTMO) study of 8000 vehicles that passed the…

A: Given: The City Transport and Traffic Management Office (CTTMO) study of 8000 vehicles that passed…

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: According to the Nielsen Company, the mean number of TV sets in a U.S. household in 2013 was 2.24…

A: Mean = 2.24 Standard deviation = 1.3 Sample size = 95

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

A: Given that  X~N(μ= 215 , σ= 15 ) μ= 215 , σ= 15 , n= 25

Q: Use the CLT again to determine the probability that the mean taxable wages in James' sample of 50…

A: It is given that mean is 28.29 and the standard deviation is 33.493.

Q: In order to estimate the average time spent on the computer terminals per student at a local…

A: Formula for margin of error (E) : E =zα/2×σn Where , zα/2 is critical value for given confidence…

Q: Suppose that the caffeine in one tablespoon of Folgers is normally distributed with a mean of 45 mg…

A:

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

A:

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

A: Given: μ=184.4σ=7.2N=53

Q: ) H0: ?1 − ?2 = 0 Ha: ?1 − ?2 > 0     t=_________ P-value_______   State the conclusion in the…

A:

Q: Suppose that the sampling distribution of size 10 has a mean of 30 and standard deviation of 3.…

A:

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: Suppose that the lifetimes of light bubs are approximately normaily dstributed, with a mean of 56…

A:

Q: Suppose that the height of women in Dakar, Senegal is normally distributed with mean 58 inches and…

A: Note- As per our policy we can answer only the first 3 sub-parts of a question. If you want…

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

A:

Q: Suppose the heights of 18 year old men are approximately normally diatributed, with mean 67 inches…

A: Mean = 67 Standard deviation = 5

Q: 4. The Coffee Bean and Tea Leaf morning customer load follows a normal distribution with mean 45 and…

A:

Q: Women have pulse rates that are normally distributed with a mean of 77.5 beats per minute and a…

A:

Q: Suppose that head circumferences of adult men have a bell-shaped distribution with mean = 54 cm and…

A: From Z tableAnswer : 48.12 cm

Q: Suppose that the distribution of typing speed in words per minute (wpm) for experienced typists…

A: Given information: μ=64, σ=16 a)  x = 64 By applying normal distribution:- z=x-μσ=64-6416=0 z = 0.0…

Q: (b) The blood pressure reading for people aged 80 years old that are having high blood pressure is…

A:

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

A:

Q: 2. According to the International Graduation Association, on average, high school girls in Canada…

A: Here AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION ONLY PLZ REPOST FOR REMAINING

Q: Suppose the body length of a certain species is normally distributed with mean 39.8 in and standard…

A: GivenMean(μ)=39.8standard deviation(σ)=2.05

Q: 1. There are 95% of students at school weigh between 62 kg and 90 kg at Westchester Community…

A: 95% of the data lies between X¯-1.96×σ and X¯+1.96×σ hence we get, X¯-1.96×σ = 62 X¯+1.96×σ = 90…

Q: Suppose the current measurements made on a conductor wire track follow a normal distribution with…

A: Given, Suppose the current measurements made on a conductor wire track follow a normal distribution…

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: According to government data, the probability that a woman between the ages of 25 and 29 was never…

A: Let X be the random variable of number of women that never married Given n=10 p=0.4 X ~ Binomial(10,…

Q: of 77.5 beats per minute and a standard deviation of 11.6 beats per minute. a.) What is the…

A: According to guidelines we solve first three subparts when given multiple subparts.

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: The weight of trucks traveling on a particular section of Highway 2H has a population mean of 15.8…

A: