A certain fast-food chain sells cheeseburger. On a typical weekday, the demand for these burgers can be approximated by a normal distribution with the mean of 313 burgers and a standard deviation of 57 burgers. If the fast-food chain has a stock of 400 burgers, what is the probability that it will run out of burgers on that day? Express your answer in percentage, rounded-off into 2 decimal places. 6,35

Q: The life of a Radio Shack record player is normally distributed with a mean of 3.2 years and a…

A: GivenMean(μ)=3.2 yearsstandard deviation(σ)=0.7 years

Q: Each month, an American household generates an average of 28 pounds of newspaper for garbage or…

A: Solution: Let X be the variable. From the given information, X follows normal distribution with mean…

Q: At a large publishing company, the mean age of proofreaders is 36.2 years, and the standard…

A: Given Data, μ = 36.2σ = 3.7

Q: The mean systolic blood pressure of men between the ages 20 and 24 is 124 with a standard deviation…

A:

Q: During a recent week the mean price of regular gasoline in Houston was $2.15 with a standard…

A: Given information- Population mean, μ = $2.15 Sample size, n = 36 Population standard deviation, σ =…

Q: The heights of 18-year-old men are approximately normally distributed, with a mean of 68 inches and…

A: Given data,μ=68σ=3If n=9P(67<X<69)=?

Q: The mean time it takes for workers at a factory to insert a delicate bolt into an engine is 15…

A:

Q: On the recent SAT English test, the scores were normally distributed with a mean of 1000 and a…

A: a. The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the…

Q: The average credit card debt for college seniors is $3262. If the debt is normally distributed with…

A:

Q: mean thickness of 4 mm and a standard deviation of 1.1 mm. A simple random sample of 90 sheets of…

A: Given: Mean=μ=4Standard deviation=σ=1.1Sample size=n=90Sample mean=x¯=4.1 First, we have to obtain…

Q: The diameter of a brand of tennis balls is approximately normally​ distributed, with a mean of 2.53…

A: Given that  Let X denotes the diameter of a brand of tennis  X~N(2.53, 0.04) Sample size (n)=10 Let…

Q: The life of a semiconductor laser at a constant power is normally distributed with a mean of 7500…

A:

Q: The average battery life of laptop computers is 5.8 hours with a standard deviation of 1.4 hours.…

A: We have given that , Mean = 5.8 , Sd = 1.4 , We need P(X>8) = ?

Q: The weekly amount spent by an event management company for travel has approximately a normal…

A: From the provided information, Mean (µ) = $2500 Standard deviation (σ) = $400 Let X be a random…

Q: While checking receipts at Reds, it was determined that the average amount spent on       food per…

A: Mean = 21.50 Standard deviation = 2.22 n = 8

Q: The number of working hours before failure is approximately normally distributed. What is the…

A:

Q: Q.2. Suppose that on an average 90 patients recover from a delicate heart operation with standard…

A: As per bartleby guideline for more than three subparts only first three are to be answered please…

Q: One study involving heavy cell phone usage showed the mean battery life to be 10.25 hours with a…

A:

Q: On average a supermarket sells 500 litres of milk a day with a standard deviation of 50 litres. If…

A: Assume, X be the random variable representing the quantity of milk sold per day (in liters). It is…

Q: The heights of adult males are known to be normally distributed with a mean of 70 inches and a…

A: Answer 1 of 1We are given the heights distribution here as:X ~ N(u = 70, sigma = 2)a) The…

Q: The amount of time between taking a pain reliever and getting relief is nomally distributed with a…

A: Let "X" be the time between taking the medication and getting relief.

Q: According to the National Health Survey, the weights of adult males are normally distributed with a…

A: Given,        Mean μ=172        Standard deviation σ=31        Sample sizen=25

Q: A waiter believes the distribution of his tips has a model that is slightly skewed to the right​,…

A:

Q: According to a study done by UCB students, the height for Martian adult males is normally…

A: Find the probability that the person is between 65.1 and 66.4 inches? Let X = height of the…

Q: In​ 2008, the per capita consumption of soft drinks in Country A was reported to be 18.83 gallons.…

A: Let "X" be the per capita consumption of soft drinks in Country A . Refer Standard normal…

Q: The time it takes an acrylic paint to dry is normally distributed. If the mean is 2 hours 36 minutes…

A: Convert every information in minutes, so given that X , drying time, follows a normal distribution…

Q: A recent survey shows that the average of American household’s annual expenditure on coffee is…

A:

Q: Each month, an American household generates an average of 28 pounds of newspaper for garbage or…

A: Given,        Meanμ=28        Standard deviationσ=2    a)  Required probability is…

Q: Hamilton has an average rainfall of 70 mm over the month of June, wit standard deviation of 3 mm.…

A: Given data,μ=70σ=3P(X=75)=?

Q: A study found That the wing lengths of house flies are normally distributed with a mean about 4.5…

A:

Q: The daily low temperature in Woodland, in December is normally distributed with mean 39.6°F and a…

A: Introduction: For a normally distributed random variable, X with mean μ, and standard deviation σ,…

Q: The diameter of a brand of tennis balls is approximately normally​ distributed, with a mean of 2.63…

A: For two-tail test areas on each tail, Refer Standard normal table/Z-table, Lookup for z-score…

Q: While checking receipts at Reds, it was determined that the average amount spent on food per table…

A:

Q: A lecturer commutes daily from his home to university. The average time taken for a one-trip is 30…

A: Given: Meanμ=30 minutesStandard Deviationσ=4 minutes Part i The probability that the time taken for…

Q: O An electrical firm manufactures light bulbs that have a length of life tha is normally distributed…

A: Given that, Mean, mu= 800 Standard deviation, sigma= 40 We know that, Z Score= (X-mu)/sigma

Q: The average credit card debt for college seniors is $3262. If the debt is normally distributed with…

A: It is given that the average credit card debt for college seniors is $3262. If the debt is normally…

Q: The diameter of a brand of tennis balls is approximately normally distributed, with a mean of 2.63…

A: Let X be diameter of a brand of tennis balls. Given, Mean, μ=2.63 Population standard deviation,…

Q: The weights of a population of barrels are normally distributed with a mean of 45.0 lb and a…

A: From the provided information, Mean (µ) = 45.0 lb Standard deviation (σ) = 7.9 lb X~N (45, 7.9) Let…

Q: Each month, an American household generates an average of 28 pounds of newspaper for garbage or…

A:

Q: The professor of a introductory calculus class has stated that, historically, the distribution of…

A:

Q: A magazine reported that on average, American drivers will be involved in 3.4 car accidents while…

A:

Q: The diameter of a brand of tennis balls is approximately normally distributed with a mean of 2.5…

A:

Q: The life of a semiconductor laser at a constant Power is normally distributed with mean of 488 hours…

A: Given: Mean (μ)=488standard deviation (σ)=208

Q: He leaves his house at 7:45 am.If his next class has a quiz from 9:00 am to 9:10 am, what is the…

A: Solon commutes daily from his home to school. On the average, the trip takes 84 minutes, with a…

Q: The average credit card debt for college seniors is $3262. If the debt is normally distributed with…

A: From the provided information, Mean (µ) = $3262 Standard deviation (σ) = $1100 Let X be a random…

Q: A waiter believes the distribution of his tips has a model that is slightly skewed to the right,…

A: A waiter believes the distribution of his tips has a model that is slightly skewed to the right,with…

Q: The standard deviation of the lifespan of a certain brand of LED light bulbs is 22 months. The…

A: Given Mean=144 Standard deviation=22 n=95

Q: The time required to complete a final examination in a particular forestry subject is normally…

A: Solution: Let X be the time required to complete a final examination in a particular forestry…

Q: Suppose (rounded to the nearest thousand) that the mean cost of a house is $152,000 with a standard…

A: Given Information: Population mean (u) = $ 152,000 Standard Deviation (σ) = $ 44,000 1. To find the…