The probability that a football game will go into overtime is 11%. In 480 randomly selected football games, what is the mean and the standard deviation of the number that went into overtime? Round to the nearest thousandth O A. The mean is 52.8. The standard deviation is 7.266. O B. The mean is 48. The standard deviation is 7.266. OC. The mean is 52.8. The standard deviation is 6.855. O D. The mean is 48. The standard deviation is 6.855.

Q: The financial aid office at a state university conducts a study to determine the total student costs…

A: Given that, The financial aid office at a state university conducts a study to determine the total…

Q: Recent Environmental Protection Agency (EPA) fuel economy estimates for automobile models tested…

A: Given that Mean(µ) = 24.8 Standard deviations (σ) = 6.2

Q: The operation manager at a tire manufacturing company believes the mean mileage of a tire is

A:

Q: The average cost of tuition, room and board at small private liberal arts colleges is reported to be…

A: We have to find test statistics...

Q: Florida has an average temperature of 80 degrees Fahrenheit with a standard deviation of 3.5…

A: # Given : average temperature of Florida is mu1=80 degrees and standard deviations sigma1=3.5…

Q: According to a research paper, the carbon monoxide exposure of someone riding a motorbike for 5 km…

A: From the provided information, Mean (µ) = 18.4 ppm Population standard deviation (σ) = 5.3 ppm X~N…

Q: The mean finish time for a yearly amateur auto race was 185.58 minutes with a standard deviation of…

A: Given: For Ted, Mean=185.58 standard deviation=0.396 x=185.01. The z-score for Ted is obtained as…

Q: The We Go Farther Tire Company advertises a tire that lasts for 80,000 miles. The mileage for the…

A:

Q: A manufacturer claims that a new snowmaking machine can save money for ski resort owners.  He states…

A:

Q: The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally…

A:

Q: The heights of women aged 20– 29 in the United States are approximately Normal with mean 64.2 inches…

A: The data for heights of both women and men are normally distributed. The mean is 64.2 inches and…

Q: A data set has a mean of 60.4 and a standard deviation of 5.2    Is a value of 45 unusual? Is a…

A: From the provided information, Mean (µ) = 60.4 Standard deviation (σ) = 5.2 X~N (60.4, 5.2)

Q: In order to set rates, an insurance company is trying to estimate the number of sick days that full…

A: Given :Population standard deviation = 2.8 daysCompany wants to be 95% confident that the true mean…

Q: A carpet manufacturer is inspecting for flaws in the finished product. If there are too many…

A: It is known that the sampling distribution of the sample mean x-bar will have a standard deviation,…

Q: The operation manager at a tire manufacturing company believes that the mean mileage of a tire is…

A: The sampling distribution of sample mean follows the normal distribution, if the population is…

Q: The quality control manager at a computer manufacturing company believes that the mean life of a…

A: Given that, μ=120,σ=10 and n=90 The probability that the mean of a sample of 90 computers would…

Q: In designing a work desk, it is found that males have sitting knee heights with a mean of 21.2 in,…

A: From the provided information, Mean (µ) = 21.1 Standard deviation (σ) = 2.2

Q: The average cost of tuition, room and board at small private liberal arts colleges is reported to be…

A: The test statistic is, The degrees of freedom is,

Q: The amount of rain falling in Waimea Canyon State Park, Kauai is normally distributed with a mean of…

A: Let x¯ is defined as the mean rain of 16 randomly picked days which follows normal distribution. The…

Q: The depth of the snow in my yard is normally distributed, with a mean of 2.5 inches and a standard…

A: Mean (µ) = 2.5 inches Standard deviation (σ) = 0.25 inches Let X be random variable which represents…

Q: A normally distributed population has a mean of 88 and a standard deviation of 10. When a sample of…

A: Here the given population mean is 88 and population standard deviation is 10.

Q: 9) In a class of 30 students, how many students failed the test (below 64), if the mean grade on a…

A:

Q: In a chemistry general exam, the grades are approximately Normally distributed with mean 77 and…

A: We have to find out given probabiity.

Q: A midterm exam has a mean of 76.0 and a standard deviation of 8.0. If any student with a z-score of…

A:

Q: Toby's Trucking Company determined that on an annual basis, the distance traveled per truck is…

A: It is given that the mean and standard deviation are 50,000 and 12,000, respectively.

Q: The mean finish time for a yearly amateur auto race was 185.55   minutes with a standard deviation…

A: We have to find given z score....

Q: The iPhone battery capacity is normally distributed with a mean of 4 years and a standard deviation…

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

Q: The amount that people pay for their cellphone service is normally distributed with a mean of $136…

A:

Q: . Sheldon owns a mango farm and the weight of his mangoes are normally distributed with an average…

A: here  N = 800 n = 50 μ = 200 gramσ = 15 grams

Q: The amount of rain falling in Waimea Canyon State Park, Kauai is normally distributed with a mean of…

A:

Q: The average teacher's salary in a particular state is  $54,194 . If the standard deviation is…

A:

Q: Runzheimer International publishes data on overseas business travel costs. It reports that the…

A: The standard deviation will be obtained as given below:

Q: has averaged 7.48 mg/L with a standard deviation of 1.6 mg/L. If 10 students measure the sulfate in…

A: Given: sample size, n = 10Mean, μ =7.48std. deviation, σ = 1.6

Q: Given a scenario where n=100 and p=0.8, find the standard deviation.

A: In this case the sample size is n = 100 and p = 0.8.

Q: The heights of women have a symmetric distribution with a mean of 66 inches and a standard deviation…

A: Given dataMean = 66 inchesStandard deviation =2.5 inchesApplying empirical formula68% of data falls…

Q: The average drive to work is 9.6 miles. Assume the standard deviation is 1.8 miles. If a random…

A: From the given information, x¯=9.6σ=1.8n=36

Q: The final score for a mathematics exam is normally distributed, with an average score (µ) of 57 and…

A: GivenMean(μ)=57standard deviation(σ)=9.25

Q: Calculate z scores from two samples "he tallest living man at one time had a height of 252 cm. The…

A: Given data,Mean is μ=170.25sd is     σ=8.47

Q: The scores of students on an exam are normally distributed with a mean of 468 and a standard…

A:

Q: The scores of students on an exam are normally distributed with a mean of 403 and a standard…

A:

Q: The depth of the snow in my yard is normally distributed, with a mean of 2.5 inches and a standard…

A: According to the given information, we have Mean = 2.5 Standard deviation = 0.25

Q: verage price for a particular car is $20,300 with a standard deviation of $1,600. You are shopping…

A: Given data,Mean μ=20300sd σ=1600x=21950z-score=?

Q: Given that the mean weight of senior high school students is 65kg with a standard deviation of 10.…

A: Given information Population mean µ = 65 kg Standard deviation σ = 10 We have to determine the…

Q: The average price of a Google Chromebook is 21,100 php. Assuming that the prices are approximately…

A:

Q: The time to complete a standardized exam is approximately normal with a mean of 70 minutes and a…

A: Given that the mean of 70 minutes and a standard deviation of 10 minutes. Suppose the students are…

Q: The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally…

A:

Q: If the mean height of bonsai trees is 52 cm with a standard deviation of 10 cm, what percent of the…

A:

Q: John beale of stanford, ca, recorded the speeds of car driving past his house, where the speed limit…

A: Given: μ=23.84σ=3.56 a) The Z score is obtained as below: z=x-μσ=20-23.843.56=-3.843.56=-1.08 Thus,…

Q: A local store has found the expected number of smooshed donuts per dozen is 0.6, with a standard…

A: Here Take  RANDOM variable X = Number of smooshed donuts

Q: The Real Estate Group NY reports that the mean monthly rent for a one-bedroom apartment without a…

A: Given μ=2788σ=454n=110