A city's mean minimum daily temperature in February is 28°F. Suppose the standard deviation of the minimum temperature in February is 5°F and that the distribution ninimum temperatures in February is approximately Normal. What percentage of days in February has minimum temperatures below freezing (32°F)? pproximately % of the days in February have minimum temperatures below freezing. Round to the nearest integer as needed.)

Q: A consignment of 180 articles is classified according to the size of the article as under. Find the…

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

Q: The world's smallest mammal is the Kitti's hog-nosed bat, with a mean weight of 1.5 grams and a…

A: as per Bartleby guideline expert have to answer first three Subparts only dear student please upload…

Q: Suppose heights, in inches, of male orangutans have an unknown distribution with mean 56 and…

A: According to the central limit theorem,

Q: At a local restaurant, the amount of time that customers have to wait for their food is normally…

A: The mean is 24 and the standard deviation is 3.

Q: An insurance agent says the standard deviation of the total hospital charges for patients involved…

A:

Q: A research worker wants to determine the average time it takes a mechanic to rotate the tires of a…

A: The sample size required for a (1 − α)-level confidence interval for μ with aspecified margin of…

Q: The incoming freshman class at North Carolina State University had a mean unweighted GPA of 3.81…

A:

Q: The standard deviation for the mumber of pages in a pdf document having a discrete unif orm…

A:

Q: he height of the candidate for Police Officer at JayBie Town is normally distributed with a ean 165…

A: Let X be the random variable from normal distribution with mean (μ) = 165 cm and standard deviation…

Q: The average resident of Metro City produces 770 pounds of solid waste each year, and the standard…

A: We have to find probability that randomly selected person will produce more than 1000 pound wastwm

Q: The average number of miles driven on a full tank of gas in a certain model car before its​ low-fuel…

A: It is given that the mean is 399 and the standard deviation is 36.

Q: The average rainfall, recorded to the nearest hundredths of a cm, in Roanoke, Virginia for the month…

A:

Q: At a large manufacturing company, the mean age of workers is 37 years, and the standard deviation is…

A: Given: Mean μ = 37 Standard deviation σ=6 Sample Size n = 44 As we know that if X~N(μ, σ) then…

Q: If the average price of a new one-family home is $243,500 with a standard deviation of $15,000, find…

A: If a population has a normal distribution and the mean and standard deviation are given, then we can…

Q: the sape of the distribution of the time required to get an oil change at  a 10-minute oil change…

A: Answer:  Given,n=40 Mean=11.4 Standard deviation =3.2

Q: result of a durability test applied to tires produced in a factory producing automobile tires, the…

A: From the given information mean is 242 and standard deviation 36. The distribution is normal.

Q: The average number of milligrams (mg) of sodium in a certain brand of low-salt microwave frozen…

A: Solution:

Q: For a certain type of computer, the length of time between charges of the battery is normally…

A: Given X is normal Distributed with mean µ = 50.0 and standard deviation σ = 5.0 now will using…

Q: A machine fills containers with a particular product. The standard deviation of filling weights is…

A: A normal distribution is a bell shaped curve which is symmetric about the mean of the distribution.…

Q: A candy company has calibrated their machines to fill each bag of candy to an average weight of 500…

A: Let X=the weight of each candy bag Given that X has mean=500 and standard deviation=5 The population…

Q: The average credit card debt for public school teacher is 14,975. If the debt is normally…

A: Given, Average credit card debt for public school teacher=X=14975 Standard deviation= 5650…

Q: Suppose the coffee industry claimed that the average adult drinks 1.7 cups of coffee per day. To…

A: Given Standard deviations=0.5 n=40

Q: An article in a journal for college instructors recently stated that college students spend on…

A: We have to find given probability..

Q: n a small factory producing bamboo products, the standard acceptable measurement for a bamboo…

A: Lengths are between  10.85 cmand 12.075 cm SD = Standard Deviation   6% of the straws are rejected…

Q: Assume that women's weights are normally distributed with a mean given by μ=143 and a standard…

A:

Q: A candy company has calibrated their machines to fill each bag of candy to an average weight of 500…

A:

Q: 1. Assume that the average yearly pay of all teachers in the Philippines follows a normal…

A: Here all are normally distributed

Q: In a mid-size company, the distributl the 12 receptionists Is bell-shaped and has a mean of 43 and a…

A: Z = X - μσ ________________________ Given , μ = 43 , σ = 4

Q: I. Formulate hypotheses for a test to determine whether the sample data support the conclusion that…

A: I. Let μ denotes the population annual expenditure for prescription drugs per person. The claim of…

Q: The monthly utility bills in a city are normally​ distributed, with a mean of $100 and a standard…

A:

Q: A small computing center has found that the number of jobs submitted per day to its computers has a…

A: Let X be a random variable such that X: Number of jobs submitted per day to its computers We know,…

Q: A major cab company in Chicago has computed its mean fare from O'Hare Airport to the Drake Hotel to…

A: Q.1 Ans: Solution-: Given: We find, (a) According to Chebyshev's theorem, at least .........% of…

Q: In a certain county, the average annual income for a home provider involved with an online rental…

A:

Q: Suppose that a junior partner in a law firm in the Philippines earns an average of 150,000 pesos per…

A: Given that mean = 150000,s.d =5000,n =36

Q: If the average price of a new single family home is $246,300 with a standard deviation of $15,000,…

A: Given , Mean (u) =246300 Standard deviation =15000

Q: Assume that the annual earnings of all employees with CPA certification and 6 years of experience…

A:

Q: On the distant planet Cowabunga, the weights of cows have a normal distribution with a mean of 568…

A: Givan Mean=568 standard deviations=76

Q: The AAA reports that the average time it takes to respond to an emergency call is 25 minutes. Assume…

A:

Q: The arrival schedule of an ETS train from Kuala Lumpur to Sungai Petani follows a normal…

A: Given: X~N(μ,σ)μ=0954σ=7.4 The train is expected to arrive at 0948.

Q: What is the probability that the mean height of 10 randomly selected women are greater than 66.5…

A: Let X denote the height of the young women. Given that X follows N(mean=64.5, SD=2.5) Then…

Q: From a sample with n 36​, the mean duration of a​ geyser's eruptions is 3.82 minutes and the…

A: Solution-: Given: μ=3.82,σ=0.72,n=36 Here, Lower Limit=1.16, Upper Limit=5.98

Q: A local credit card agency reported to the government that the unpaid balance for their customers…

A: Specify the number of customers must be randomly sample by an auditor to ensure that the central…

Q: Suppose that the waiting time for a license plate renewal at a local office of a state motor vehicle…

A: Given data ,u=30σ=8PZ>z=20%=0.20PZ<z=0.20x=?

Q: A machine fills containers with a particular product. The standard deviation of fillingweights is…

A: Given information σ=0.6   P(X<18)=0.02 X=18 The formula for z-score is  z=x-μσ

Q: The mass of a standard loaf of white bread is, by law meant to be 700g with a population standard…

A: It is given that the sample mean of n=64 breads is 695g that is x¯=695 Assuming that X to be the…

Q: A population of normally distributed data has a mean of 200 and a stabdard deviation of 20. Assuming…

A: The required calculation can be defined by the  formula The standard normal variate  Z=x-μσ Then the…

Q: The number of cars crossing the Pigeon River border crossing each day is known to be normally…

A: GivenMean(μ)=2500standard deviation(σ)=600

Q: Apply Chebyshev’s rule with k = 3 to verify that at least 89% of the observations in any data set…

A:

Q: A candy company claims that 18​%of its plain candies are​ orange, and a sample of 200 such candies…

A: Given: n = 200 and p=0.18 Consider, X be the random variable that represents the number of orange…

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.