The demand for high-grade gasoline at a service station is normally distributed with mean 27,009 gallons per day and standard deviation 4,530. Find two values that will give a symmetric 0.95 probability interval for the amount of high-grade gasoline demanded daily.

Q: .What is the probability that a random fastball exceeds 170 km/h?

A: Let X denote the speeds of a baseball pitcher's fastballs. It is given that The distribution of X is…

Q: The weight of all cars traveling on interstate highway I-84 is normally distributed with a mean of…

A: From the provided information,

Q: The average number of acres burned by forest and range fires in a large county is 4,200 acres per…

A: Population mean, μ = 4200 acresPopulation standard deviation, σ = 800 acresLet, X be the number of…

Q: Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean…

A: Standardized z-score:   The standardized z-score represents the number of standard deviations the…

Q: The weights of the cement per bag are normally distributed with a mean of 8.16 kg and a standard…

A:

Q: If a female is randomly selected, find the probability that her pulse rate is between 69 beats per…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of 97.8 and a standard…

A: Given a mean of 97.8 and a standard deviation of 23

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A:

Q: A factory produces nails, for which the length is normally distributed with the mean of 4mm and…

A: We have to find out given probability and no. Of rejected...

Q: The life of a vacuum cleaner is normally distributed with mean of 2 years and a standard deviation…

A: Given: Mean(μ)  = 2 years Standard deviation (σ) = 1 years

Q: Find the probability that 1 man has weight greater than 160 lb. Assume that weights of males are…

A: Let X represent the random variable Mean=182.9 SD=40.8   X~ Normal (182.9, 40.82)

Q: The net weight of a can of salmon is a random variable with a mean of 6.07 ounces and a standard…

A:

Q: an elevator is loaded with 16 male passengers, find the probability that it is overloaded because…

A: We have given that  Normally distributed with a mean of 182.9 lb and a standard deviation of 40.8…

Q: Assume that the total cholesterol levels for adults are normally distributed with mean cholesterol…

A: The problem provides us with the following values:Mean (μ) = 51.5 mg/dLStandard Deviation (σ) = 14.3…

Q: A bank's loan officer rates applicants for credit. The rating are normally distributed with a mean…

A: From the given information,   Mean = 705 Standard deviation = 32 Sample size = 50

Q: ind the indicated probability or percentage for the normally distributed variable. Assume that the…

A: Given data,μ=5.6σ=0.070P(5.48<X<5.82)=?

Q: The overhead reach distances of adult females are normally distributed with a mean of 38 cm and a…

A: GivenMean(μ)=38standard deviation(σ)=12

Q: Assume that blood pressure readings are normally distributed with a mean of 135 and a standard…

A: According to the given information, we have Mean = 135 Standard deviation = 4.7 Sample size = 35

Q: Assume that the readings on thermometers are normally distributed with a mean of 0 degrees Celsius…

A: We have given that Mu= 0 , sigma =1 X~ N ( 0, 1) Zscore=(x-mu)/sigma

Q: The mid-term exam scores in a statistics class were normally distributed with a mean of 70 and…

A:

Q: The average number of acres burned by forest and range fires in a large county is 4,200 acres per…

A: Note:- Since you have posted a question with multiple subparts we will provide solutions only to the…

Q: The average length of crocodiles in a swamp is 11 feet. If the lengths are normally distributed with…

A: Given: μ = 11 σ = 1.5 Formula Used: Z = X-μσ

Q: The amount of milk sold each day by a grocery store varies according to the Normal distribution with…

A: It is given that the mean is 130 and the standard deviation is 10.

Q: The heights of students are normally distributed with mean 161 inches and standard deviation of 4.56…

A: From the provided information, Mean (µ) = 161 Standard deviation (σ) = 4.56 X~N (161, 4.56)

Q: Assume the random variable X is normally distributed with a mean of 50 and a standard deviation of…

A:

Q: he level of nitrogen oxides (NOX) and nonmethane organic gas (NMOG) in the exhaust over the useful…

A: Given Data: Mean (μ)=85 Standard deviation (σ)=6 Variance (σ2)=36 Sample size(n)=16   Let X be the…

Q: assume that blood pressure readings are normally distributed with a mean of 135 and a standard…

A:

Q: Assume females have pulse rates that are normally distributed with a mean of 72 beats per minute and…

A: Given that: Mean = 72 beats S. D. = 12.5 beats Sample size (n)  = 25 By using standard normal…

Q: Brenda has collected data to find that the finishing times for cyclists in a race has a normal…

A: Given the finishing time for cyclists in a race has normal distribution with mean 143 minutes and…

Q: The green turtle migrates across the Southern Atlantic in the winter, swimming great distances. A…

A: X~N( μ , ?)   μ=2200 , ?=625   Z-score =( x - μ )/?

Q: The heights of students are normally distributed with mean 161 inches and standard deviation of 4.56…

A: Answer: From the given data, Let X: heights of students X is normally distributed with Mean (μ) =…

Q: he weight of the package is normally distributed with a mean of 650 g and a standard deviation of 42…

A: Given that  The weight of the package is normally distributed with a mean of 650 g and a standard…

Q: 6. Consider this prefix expression: +1A-BC+D* EF (a) Write in postfix form. (b) Write in infix form…

A:

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.