1. The average amount of calories from a hamburger served in a restaurant in 220 per order with a standard deviation of 30 calories. What is the probability that the mean calories from 20 orders is between 220 and 240 saleries?

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: 3. For a certain type of computers, the length of time bewteen charges of the battery is normally…

A: Given that mu = 50 ,s.d =15 p ( 50 <x<70 ) = ?

Q: 8. The reading speed of sixth-grade students is approximately normal, with a mean speed of 135 words…

A:

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: 14. The golf scores for a school team were normally distributed with a mean of 68 and a standard…

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Q: Suppose 20% of all emergency room patients have broken bones. Of the next fifteen patients to…

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Q: 2. A study by Quadrant Information Services commissioned by Insure.com calculated auto insurance…

A: 2) Let X denote the annual auto insurance rates in the united states and it follows normal…

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

A: Solution :-

Q: Assume that the traffic to the web site of Smiley’s People, Inc., which sells customized T-shirts,…

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

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: 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: 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: Suppose the average time spent driving for drivers age 20 to 24 is 25 minutes and you randomly…

A: It is given that mean and standard deviation are 25 and 1.5, respectively.By using central limit…

Q: 3. The probability that a component is defective is 0.15. A person orders a box of 200 components.…

A: The probability that a component is defective is 0.15 A person orders a box of 200 components.…

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: Assume that the traffic to the web site of Smiley’s People, Inc., which sells customized T-shirts,…

A: Givenmean(μ) = 4.44 millionsstandard deviation(σ) = 720000 = 0.72 millions

Q: 9. Brooke Henderson of the LPGA, who just won her second major last weekend, played a round of golf…

A: GivenMean(μ)=21.4standard deviation(σ)=16.6

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 number of hours spent playing video games a week by the residents of Minneapolis has a mean…

A: Answer -  Given mean μ = 10 hours   and Standard deviation σ = 13 hours                  Sample size…

Q: A new species of rabbit has an average body length of 45mm with a standard deviation of 3mm. In a…

A: Given that the new species of the rabbit has an average body of 45mm, which means the mean is 45mm…

Q: 1. A survey found that the American family generates an average of 17.2 pounds of glass garbage each…

A: Given Population mean μ=17.2, population standard deviations σ=2.5, n=55  Note: This probability…

Q: It is believed that the average shoulder height of Furry Manumars is 16 inches, with a standard…

A: Given the mean height of furry Manumars as 16 inches, the standard derivation as 2 inches , sample…

Q: The service time for customers coming through a checkout counter has mean 50.4 seconds and standard…

A: Define X as the service time for customers coming through a checkout counter has mean 50.4 seconds…

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

A:

Q: (a)    It has been reported that the length of human pregnancies from conception to birth…

A: a)GivenMean(μ)=266standard deviation(σ)=16

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: Assuming that student incomes from employment in industry during the day are normally distributed…

A:

Q: 8. The high temperatures in Virginia Beach during the month of July are normally distributed with a…

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

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

A:

Q: A study of the time spent shopping in a supermarket for 20 specific items showed an approximately…

A: X~Uniform distribution a=20 b=30

Q: i. What are the mean and standard deviation of the total amount of milk and flour in Jim's…

A: Here Take  Random variable  X= no of Cup of Flour in single recipe Y=no of cup of Milk in Single…

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: 2) The mean monthly rent for a one-bedroom apartment without a doorman in Manhattan is $ 2,639.…

A:

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: Suppose that the annual rainfall in Wace can be modeled with a Normal distribution with a mean of…

A:

Q: A survey reports that the spending on cosmetic products ordered online follows a normal distribution…

A: Let X be the spending on cosmetic products ordered online that follows  normal distribution with…

Q: 1. It has been reported that the length of human pregnancies from conception to birth approximately…

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

Q: 20. Suppose that the sales of a Gas station followed a uniform distribution, with a standard…

A: Given: Let X be the uniform random variable representing the sales of a Gas station  Standard…

Q: c) An engineering company manufactures a product with a mean of 48,000 and a standard deviation of…

A: c. The provided information is µ=48000 hours σ=6000 hours  Using normal distribution  i) After less…

Q: In​ 2008, the per capita consumption of soft drinks in Country A was reported to be 18.16 gallons.…

A: Let "X" be the per capita consumption of soft drinks in Country A. Use excel formula…

Q: a) No more than two of them dislike their mother in law? c) What is the expected number of women ()…

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Q: c. What is the probability that exactly ten of the 45 luxury cars sold are silver? d. What is the…

A: It is given that n=45 and p=0.191.

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

A: