Assume the room rate for a​ three-star hotel in a European city follows a normal distribution with a mean of 170 euros and a standard deviation of 16 euros.   a. What is the probability that a randomly selected​ three-star hotel has a room rate of   4. between 145 and 177 ​euros? b. A particular hotel would like to set its rate so that only 30​% of hotels in the city will have lower rates. What room rate should the hotel​ set?

Q: Assume that women's heights are normally distrubuted with a mean of 63.6 inches and a standard…

A: From the given information, the mean is 63.6 and the standard deviation is 2.5.

Q: Assume that the height of people, measured in inches, has a normal distribution with a mean of 65…

A:

Q: The weights of newborn for hippopotami is approximately Normal, with a mean of 86 pounds and a…

A: Given,mean(μ)=86standard deviation(σ)=10

Q: The daily dinner bills in a local restaurant are normally distributed with a mean of $28 and a…

A: We have given that  The daily dinner bills in a local restaurant are normally distributed with a…

Q: hotel in a European city follows a normal distribution with a mean of 170 euros and a standard…

A:

Q: The XO Group conducted a 2015 survey of 13,000 brides and grooms married in the United States and…

A:

Q: Suppose that the lifetimes of light bulbs are approximately normally distributed, with a mean of 56…

A: The provided information is  µ=56 σ=3.3 P(X>60) a.P(X-µσ>60-563.3)=P(z>1.21)=0.1131   (from…

Q: Assume that the mean number of yearly burglary attempts in Normal, IL is μ=μ= 16, with a standard…

A: Solution: Let X be the number of yearly burglary attempts. From the given information, X follows…

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

A:

Q: Assume the ages of circulating pennies have a mean of 12.2 years and a standard deviation of 9.9…

A:

Q: Assume that the traffic to the web site of Smiley’s People, Inc., which sells customized T-shirts,…

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

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: Assume that the traffic to the web site of Smiley’s People, Inc., which sells customized T-shirts,…

A: Since, you have you have posted a question with multiple subparts we will solve first three subparts…

Q: Assume that the traffic to the web site of Smiley’s People, Inc., which sells customized T-shirts,…

A: Note: Please repost part d as i can answer only 3 subparts as per my policy. Given data,Mean μ=4.56…

Q: Suppose the average speeds of passenger trains traveling from Newark, New Jersey, to Philadelphia,…

A: Solution: a. Let X-bar be the average speed of passenger. From the given information, X-bar follows…

Q: The heights of 100 high school students are measured, with a mean of 175 cm and a standard deviation…

A:

Q: Assume that the heights of adult puffins are normally distributed, with a mean of μ=μ= 15.9 inches…

A: Obtain the probability of obtaining a sample mean height less than 14.8 inches. The probability of…

Q: The mean movie ticket cost $18.63 and the population standard deviation is $10.57. Assume movie…

A: It is given that the mean is 18.63 and the standard deviation is 10.57.

Q: If the mass of 35 dogs in your neighborhood were normally distributed, with a mean of 11.2 kg and a…

A: Given data: Mean = 11.2 kg Standard deviation = 2.8 kg

Q: Suppose that the annual household income in a small Midwestern community is normally distributed…

A: Given : X ~ Nμ, σ mean, μ = $55000 S.D, σ = 4500 a. P(household will have an income between $50000…

Q: In order to estimate the average time spent on the computer terminals per student at a local…

A: Formula for margin of error (E) : E =zα/2×σn Where , zα/2 is critical value for given confidence…

Q: Assume that the traffic to the web site of Smiley’s People, Inc., which sells customized T-shirts,…

A: Givenmean(μ) = 4.44 millionsstandard deviation(σ) = 720000 = 0.72 millions

Q: The number of people in a department store is normally distributed with a mean of 85 and a standard…

A: We have to find the solution for the given problem.

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

A: Let X be the monthly utility bills in a city are normally distributed with mean μ=$100 and standard…

Q: According to a Sallie Mae survey and credit bureau data, in 2008, college students carried an…

A:

Q: Assume that the traffic to the web site of Smiley’s People, Inc., which sells customized T-shirts,…

A: Given data,Mean μ=4500000sd     σ=880,000

Q: Assume that the heights of men are normally distributed with a mean of 66.9 inches and a standard…

A: Let "M" be the mean height of the men.

Q: A study indicates that 18- to 24- year olds spend a mean of 120 minutes watching video on their…

A: Given that, Mean = 120 Standard deviation = 20

Q: The annual per caplta consumptlon of bottied water was 31.1 gallons. Assume that the per capita…

A: Given μ=31.1 and σ = 11  a)  P(more than 36) = P(x>36) Px-μσ>36-31.111 Pz>0.44 = 0.328

Q: It is believed that the average shoulder height of Furry Manumars is 16 inches, with a standard…

A: Given the mean height of furry Manumars as 16 inches, the standard derivation as 2 inches , sample…

Q: The weights of newborn for hippopotami is approximately Normal, with a mean of 85 pounds and a…

A: Given  Mean, μ=85 pounds and standard deviation, σ=12 pounds

Q: 1. Suppose the height of a tomato plant follows a normal distribution with a mean of 74.5…

A:

Q: According to the National Association of Colleges and Employers, the 2015 mean starting salary for…

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

Q: assume that cans of coke are filled so that the actual amounts have a mean of 12 oz and a standard…

A:

Q: A study indicates that 18- to 24- year olds spend a mean of 120 minutes watching video on their…

A: Assume that the amount of time watching video on a smartphone per month is normally distributed and…

Q: Assuming that student incomes from employment in industry during the day are normally distributed…

A:

Q: Rob Raydo, a data analyst in a certain bank, found that the mean amount of credit card debt per…

A: Solution: Note: Hello! As you have posted 2 different questions, we are answering the first question…

Q: What is the probability that someone in Country A consumed more than 14 gallons of soft drinks in​…

A: Let X denote the consumption of soft drinks in Country A. Given that X follows N(mean = 19.11, SD =…

Q: Suppose that the monthly charges for cell phone plans in the United States are normally distributed…

A:

Q: According to the U.S. Energy Administration, the mean monthly household electric bill in the United…

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

Q: A firm’s marketing manager believes that total sales for next year will follow the normal…

A: Given information- Population mean, µ = $3200,000 Population standard deviation, σ = $250,000 We…

Q: Assume that the traffic to the web site of Smiley’s People, Inc., which sells customized T-shirts,…

A: Given information- Population mean, µ = 4.6 million Population standard deviation, σ = 880000 =…

Q: Charlotte, North Carolina has a mean annual rainfall of 43 inches, with a standard deviation of 4.2…

A: Solution: Given data Mean(μ) = 43 inches Standard deviation(s) = 4.3 inches Amount of rainfall  is…

Q: Suppose that the mean daily viewing time of television is 8.35 hours per household. Use a normal…

A: a. Given that the mean daily viewing time of television is 8.35 hours and standard deviation of 2.5…

Q: What is the probability that a randomly selected carton has a weight greater than 9.13 ​ounces? ​(b)…

A: Let X denote the weights of ice cream cartons. Given that X follows N(mean = 9, SD = 0.5), then  Z =…

Q: Suppose annual expenditures on the UCI branded clothing and accessories per student are uniformly…

A: Hey, since there are multiple subparts posted, we will answer the first three subparts. If you want…

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: The mass of a species of mouse commonly found in houses is normally distributed with a mean of 19.6…

A: We have given that, The mass of a species of mouse commonly found in houses is normally distributed…

Q: The average annual salary for all U.S. teachers is 47,750. Assume that the distribution is normal…

A: Normal distribution, also known as the Gaussian distribution, is a probability distribution that is…

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.