The approximate probability of 17 bags exceeding this limit is in the range:

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

A:

Q: The manufacturers of a new model of car state that, when travelling at 56 miles per hour,  the…

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: The shelf life of a battery produced by one major company is known to be normally distributed, with…

A: Given that μ=3.8,σ=0.4

Q: Given the population of men has normally distributed weights with a mean of 172 lb and a standard…

A:

Q: If the average yield of a dunum of yellow corn is 800kg, with a standard deviation of 40kg Assuming…

A: Given,mean(μ)=800standard deviation(σ)=40

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

A:

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

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

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

A: Given: Sample size (n) = 100 Population mean GPA score μ=3.81 Population standard deviation σ=0.36

Q: If the average height of 500 students in a secondary school is 151 cm, with a standard deviation of…

A: GivenMean(μ)=151standard deviation(σ)=15

Q: The manager of a computer help desk operation has collected enough data to conclude that the…

A: Given, Mean = μ = 8.21 Standard deviation = σ = 2.14 Sample size = n = 40 The x is normally…

Q: The average monthly number of jobs available in Area A is 3, 000. If we assume a normal distribution…

A: We have given that,  X be the random variable from normal distribution with average or mean (μ) =…

Q: The mean daily production of a herd of cows is assumed to be normally distributed with a an of 37…

A: 37 Obtain the standard z-score for the random variable equals 26.1 liters. The standard z-score for…

Q: Q2/ The speed of a file transfer from a server on campus to a personal computer at a student's home…

A:

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

A: Solution: Let X be the monthly utility bills in a city. From the given information, X follows normal…

Q: In a population of children at a local elementary school, the average number of sick days taken per…

A:

Q: For a normal distribution curve with a mean of 15 and a standard deviation of 5, which range of the…

A:

Q: At a customer service call center for a large company, the number of calls received per hour is…

A: Let X represent the random variable   Mean=140 SD=5   X~ Normal (140, 5^2)

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: A Survey among Seniors revealed that the number of hours spent Studying the week before final exams…

A: Given Mean=25 Standard deviations=7

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: The diameter of the dot produced by a printer is normally distributed with a mean diameter of 0.002…

A:

Q: In one region, the September energy consumption levels for single-family homes are found to be…

A:

Q: If the average yield of a dunum of yellow corn is 800 kg, with a standard deviation of 40 kg, and…

A: Given that : X follow a normal distribution with mean (μ) 800 kg and standard deviation (? ) 40 kg.…

Q: The shelf life of a battery produced by one major company is known to be normally distributed, with…

A:

Q: The mass, m, of a particular hand-laid fiberglass part is normally distributed with a mean of 66 kg…

A: Given,mean(μ)=66 kgstandard deviation(σ)=5kg

Q: At a customer service call center for a large company, the number of calls received per hour is…

A:

Q: If an experimental automobile prototype running at 50 miles per hour expends an average of 120…

A:

Q: chickens follow a normal distribution with a mean of ? kg and a standard deviation of ? kg. It is…

A: *Answer:

Q: The mass, m, of a particular hand-laid fiberglass part is normally distributed with a mean of 66 kg…

A: Let X denote the mass of a particular hand laid fiberglass part and it follows normal distribution…

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

A: For stanadrd normal distribution, Mean = 0 and the stanadrd deviation = 1. Draw the normal curve…

Q: The owner of a fish market has an assistant who has determined that the weights of catfish are…

A:

Q: A population of Gala apples has a mean m=0.40 lbs and a standard deviation s=0.16 lbs. For a sample…

A: Solution: Let X be the variable. From the given information, m=0.40, s=0.16 and n=20.

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

A:

Q: If a random sample of 15 bolts is selected from your production process, compute the probability…

A: Let X denote the distribution of diameters of the bolt. Given that X follows N(mean = 1, SD = 0.1)…

Q: The sick-leave time of employees in a firm in a month is normally with a f 100 hours and a standard…

A: Given  Mean (mu) = 100 hours Standard deviation = s= 20 hours

Q: Given the population of men has normally distributed weights with a mean of 172 lb and a standard…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

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

A: From the given information, let X be the readings of thermometers. Mean reading of the thermometer…

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

A:

Q: A) if $646i budgeted for next week, what is the probability the actual costs will exceed the…

A: A) The random variable X is defined as the actual costs which follows normal distribution with mean…

Q: The personal office at a large electronics firm regularly schedules job interviews and maintains…

A: Given, μ=34 minutesσ=7 minutesn=9

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

A:

Q: If a random variable that is normally distributed has a mean of 25 and a standard deviation of 3,…

A: Given,mean(μ)=25standard deviation(σ)=3

Q: The lifetime of a particular component is normally distributed, with a mean of 1000 hours, and a…

A: The probability that a randomly-drawn component will last 930 hours or less is,

Q: A local fast food restaurant advertises an average service time of u = 3 minutes with a standard…

A: Given Data : Population Mean,μ = 3 Population Standard Deviation,σ = 0.39