Suppose the flight time between two cities follow a normal distribution, with a mean of 3.5 hours (210 minutes), and a standard deviation of 0.3 hours ( 18 minutes). The probability that a particular flight between these two cities will take between 180 and 250 minutes is 0.9393 Select one: O True O False

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

A: We want to find given probability for given questions

Q: At a large government office center in Chicago, it has been found out that the time employees spend…

A:

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

A:

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

A:

Q: A study indicates that 18- to 24- year olds spend a mean of 115 minutes watching video on their…

A: Given that.   X~N( μ , ?^2 )   μ= 115    , ?=20   Z-score =( x - μ )/?

Q: A recent study of the hourly wages of crew members for major airlines showed that the mean hourly…

A:

Q: Traveling between two campuses of a university in a city via shuttle bus takes, on average, 31…

A: P(X>30)=1-Pz<30-311045=1-P(z<-0.67)=1-0.2514=0.7486

Q: A study shows that the cost of new textbook is approximately normally distributed with a mean P142…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

Q: The accountants of a known auditing firm have a mean daily salary of P850 with a standard deviation…

A: X~N(μ= 850 , σ= 82 ) μ= 850 , σ= 82 Formula for Z-score Z=(X-μ)/σ

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

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: Suppose the grades in a mathematics class are Normally distributed with a mean of 75 and a standard…

A: Introduction :-  Here the grades in a mathematics class are Normally distributed with a mean of 75…

Q: A study of the amount of time it takes a hiker to hike to the bottom of the Grand Canyon and back to…

A: Given: μ = 12 σ = 2.4 n = 9

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

A:

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

A:

Q: The starting salary for a computer programmer major has a mean of $39,269 and a standard deviation…

A: Note: Hey there! Thank you for the question. Although the mean and standard deviation of the…

Q: Suppose that during any hour in a large department store, the average number of shoppers is 448,…

A: Given:

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: 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: approximately

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

A: Here, mean is $100 and standard deviation is $14.

Q: The average hourly sale of a certain ride in an amusement park is P148.75/hr with a standard…

A: Given information- Population Mean µ = P148.75/hr Standard deviation (σ) = P75.76 Let X be the…

Q: A study of Sandhill Cranes determines that the distance they travel a day is normally distributed…

A: According to the provided information, Mean (μ) = 267 Standard Deviation (σ) = 86

Q: The number of pieces of dog food in a one-cup scoop is approximately Normally distributed with a…

A: The probability is the chance of event happening. It value never exceeds 1 and never less than 0.…

Q: The average hourly wage for manufacturing workers in the United States is $20.89 per hour, With a…

A: Give that  The hourly wage for manufacturing workers in united states is $20.89 μ = 20.89 Standard…

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

A: (a) Let x be the monthly utility bills in a city which follows normal distribution with mean 100,…

Q: Suppose the average weekly rental for a compact car from Avis is $320 with a standard deviation of…

A:

Q: The number of pieces of dog food in a one-cup scoop is approximately Normally distributed with a…

A:

Q: In a particular city, the weight of newly born babies is normally distributed with a mean of 3.5 kg…

A:

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

A:

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

A: According to the provided information, Mean (µ) = 50 hour Standard deviation (σ) = 15 hour

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

A:

Q: The number of calories in a certain dessert is normally distributed with a mean of 210 and a…

A: We have to find the probability that the dessert one selects will contain between 185 and 216.

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

A:

Q: Which most closely reflects the probability that a randomly selected bulb would last fewer than 940…

A: Let X denote the life of bulb. Given that X follows N(mean = 1000, SD = 50), then Z = (X - mean)/SD…

Q: Suppose that the number of gallons of milk sold per day at a local supermarket are normally…

A: Let X denote the number of gallons of milk sold per day. X ~ N(424.7,460.9609)

Q: If x=26,412 tuition per a four year and n=7,498 is standard deviation. Assuming the distribution is…

A: From the provided information, Mean (µ) = 26412 Standard deviation (σ) = 7498 X ~N (26412, 7498)

Q: Given a sample with a mean of 151 and a standard deviation of 27, find the probability that a…

A: Given :  sample with mean of 151 and standard deviation of 27 we have to find P(X > 158 )

Q: The number of plants pollinated by bees follows a normal distribution with a mean of 6,543 plants…

A: Given information Mean µ = 6543 plants Standard Deviation σ = 35 plants

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

A: It is given that the mean is 100 and the standard deviation is 15.

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

A: From the provided information, Mean (µ) = 57 Standard deviation (σ) = 3.5 Let X be a random variable…

Q: The time needed to complete a final examination in a particular college course is normally…

A:

Q: Suppose that the lifetimes of light bulbs are approximately normally distributed, with a mean of 57…

A:

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

A: Given : mean = 100 Standard deviation = 13

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

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.