Annual snowfall in Anchorage, Alaska, is normally distributed with a mean height of 76 inches and a standard deviation of 4.7 inches. What is the probability this year that it will snow between 71.4 and 80.7 inches in Anchorage? 38.14% 67.75% 54.71% 23.22%

Q: Public health statistics indicate that 26% of  American adults smoke cigarettes. A random sample of…

A:

Q: Exhibit 8-12 In order to estimate the average time spent on an exam at a local university, data were…

A: Margin of error explain the error in the data set. It determine by the combined value of standard…

Q: 42% of elderly people have high blood pressure. If a sample of 200 is taken and a success is…

A:

Q: Most graduate schools of business require applicants for admission to take the GMAT exam. Suppose…

A: The random variable is score on the GMAT. It follows standard normal distribution. The population…

Q: A company that manufactures tires produces a tire that has a average life span of 65,000 kilometers…

A: We have to find given probability.

Q: Tiger Woods hits an average driver 287.2 yards with a standard deviation of 24.6 yards. What is the…

A: The probability value is calculate by means of standard normal variate with the random variable,…

Q: Find the standard  deviation of 1.2, 2.7, 5.3, 3.4, 4.1, 4.6, 3.3, 2.7,  3.3, 2.6

A: Here we have to find, The standard  deviation of 1.2, 2.7, 5.3, 3.4, 4.1, 4.6, 3.3, 2.7,  3.3, 2.6.…

Q: The average daily points for my fantasy baseball team are {4.1, 5.7, 3.8, 4.7, 4.7, 5.5, 4.1, 2.7,…

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…

Q: minutes. What percentage of his commutes will be between 13 and 26 minutes, to the nearest tenth?

A: Let X be the random variable that amount of time to arrive. Given that, X~N(μ=23,σ=5)

Q: A successful basketball player has a height of 6 feet 8 ​inches, or 203 cm. Based on statistics from…

A: Consider X is a random variable defined as the height of a successful basketball player.The provided…

Q: alespeople for a solar technology company have average annual sales of $200,000, with a standard…

A: Statistics is a branch of mathematics that gives us the tools to deal with large quantities of data…

Q: Part D please

A: Here X has normal distribution with mean of 75847 and standard deviation of 33800 We have to find…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: It is given that the mean is 116.7 and the standard deviation is 2.

Q: Salespeople for a solar technology company have average annual sales of $400,000, with a standard…

A:

Q: Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the…

A: Solution: It is given that, Population mean, 70 Standard deviation, 5 Given that Cody took his first…

Q: A study has shown that 15% of all college textbooks have a price of $178.52 or higher.  It is known…

A: From the provided information Standard deviation (σ) = $32.55 Let X be a random variable which…

Q: Find their respective​ z-scores. Who had the more convincing​ victory? Ron   had a finish

A:

Q: Trucks in a delivery fleet travel a mean of 130 miles per day with a standard deviation of 39 miles…

A: The data on per day mileage of a delivery truck is normally distributed. Population mean, Population…

Q: what is the probability that you will receive a grade that is between 89 and 97 on this exam?

A: The mean of grades for the latest statistics exam is 93 and SD is 4.

Q: om's commuting time from his residence in Carmel to the IUPUI campus has a normal distribution.  The…

A: Given that  The residence in Carmel to the IUPUI campus has a normal distribution.  Standard…

Q: Assume that the salaries of elementary school teachers in the United States are normally distributed…

A: Given: μ=32000, σ=3000, n=100 The corresponding z-value needed to be computed is:

Q: he annual precipitation for one city is normally distributed with a mean of 347 inches and a…

A: Answer:- Given, normally distribution with a mean (μ) = 347 inches and a standard deviation (σ) =…

Q: Full time Ph.D. students receive an average of $13,537 per year. If the average salaries are…

A: Introduction: Define X as the random variable of interest here, which denotes the salary of the…

Q: Allegiant Airlines charges a mean base fare of $89. In addition, the airline charges for making a…

A: Given that: Mean base fare = $89 Additional Charges = $35 Sample size,  n = 50 Population standard…

Q: Billiard tables have mean degree of balance 0 and standard deviation 1. What is the probability…

A: It is given that the degree of balance is normally distributed with mean 0 and standard deviation is…

Q: A voin is tossed four times. Let x denote the number of heads. Find the mean and standard deviation…

A: A coin is tossed four times. The  denotes the number of heads.

Q: The sales of a salesman average $500 with a standard deviation of $15.2. He gets a $100 commission…

A: The sales of a salesman average $500 with a standard deviation of $15.2. He gets a $100 commission…

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

A:

Q: The annual precipitation for one city is normally distributed with a mean of 261 inches and a…

A:

Q: The length of a caterpillar is normally distributed with a mean of 17 feet. The standard deviation…

A: Let, X=The length of a caterpillar Given that X follows a normal distribution with mean=17 and…

Q: soft drink machine outputs a mean of 29 ounces per cup. The machine's output is normally distributed…

A: Suppose the random variable x defines the soft drink machine output.

Q: Costs for standard veterinary services at a local animal hospital follow a Normal distribution with…

A: given data normal distributionμ = 89σ = 24P(53<x<125) =?

Q: Trucks in a delivery fleet travel a mean of 8080 miles per day with a standard deviation of 3030…

A:

Q: The commute time for Cypress College students who drive from their home to the college follows a…

A:

Q: Six different​ second-year medical students at Bellevue Hospital measured the blood pressure of the…

A: Given 126,138,132,138,124,122

Q: If the students make one more measurement using the same equipment and procedures, what is the…

A:

Q: the amount of pretzels dispensed into a 24 ounce bag by the machine has been identified as…

A: Define the random variable X as the amount of pretzels follows normal distribution with a mean of…

Q: Billiard tables have mean degree of balance 0 and standard deviation 1. What is the probability…

A: It is given that the mean and standard deviation are 0 and 1.

Q: Costs for standard veterinary services at a local animal hospital follow a Normal distribution with…

A: Let X be a random variable of a veterinary services.      Given that            X~ N ( 72,(22)^2)

Q: Regardless of the kind of workout a gym goer does, the mean time spent on the treadmill is 45…

A: Given,sample size(n)=36mean(μ)=45standard deviation(σ)=15

Q: Response time is an important statistic for measuring the effectiveness of a fire department, and is…

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

Q: Highway driving speeds are normally distributed with a mean of 62.4 and a standard deviation of 10.6…

A: Given information- Population mean, µ = 62.4 Population standard deviation, σ = 10.6 We have given…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.