The amount of coffee people drink per a day is a mean of 14 ounces and standard deviation of 5 ounces. 33 randomly people are surveyed.  For 33 people, find the probability that the average coffee consumption is between 13.9 and 14.3 ounces a day. Find the average of 33 coffee drinkers IQR's for  Q1 Q3 and IQR         ounces

Q: A drug was tested on one hundred and fifty patients of which thirty patients respond to the…

A: Given information: A drug was tested on 150 patients. Among 150 patients, 30 patients are responded…

Q: CNNBC recently reported that the mean annual cost of auto insurance is $962. Assume the standard…

A: Given information: The mean annual cost of auto insurance is $962. The standard deviation is $190.…

Q: he distribution of heights of adult males has a mean of 69 inches and a standard deviation of 4…

A: Solution-: Let, X= The distribution of heights of adult males Given: (inches) We find, P[ he…

Q: Daang Kalikasan is one of Pangasinan's newest tourist spot. It was thought out of because of the…

A: Given information- Population mean, µ = 4300 acres per year Population standard deviation, σ = 750…

Q: Tiger Woods hits an average driver 287.2 yards with a standard deviation of 24.6 yards. What is the…

A: The probability value is calculate by means of standard normal variate with the random variable,…

Q: population has a mean of 350 and a standard deviation of 25, determine the probability that a random…

A: GIVEN DATA, μ=350σ=25n=40p(335<x¯<375)=?

Q: The sample of five companies in the aerospace industry was surveyed as to their return on investment…

A: We have to find sample variance s2  and sample standard deviation...

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Let X represents the lengths of the steel rods Mean (X)=98.3 Standard deviation (X)=2.4 Therefore,…

Q: Identify the population(s). Average number of Americans who consume alcohol. All individuals who…

A: Parameter: Parameter may be defined as which one is based on population

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A:

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: Find the probability that a sample of 18 has a sample mean below 32. The population mean is 24 and…

A: Central Limit Theorem for mean: If a random sample of size n is taken from a population having mean…

Q: The incubation time for Rhode Island Red chicks is normally distributed with mean of 30 days and…

A: x =  incubation time for the chicks.

Q: Temperatures in a city are distributed approximately normal, with a mean of 69 degrees Fahrenheit…

A:

Q: Trucks in a delivery fleet travel a mean of 130 miles per day with a standard deviation of 39 miles…

A: The data on per day mileage of a delivery truck is normally distributed. Population mean, Population…

Q: Chris tested a sample of 20 Brand A electronic engine control modules, and they lasted 48,560…

A: The sample mean and standard deviation for Brand A electronic engine control modules is;…

Q: The average number of pounds of red meat a person consumes each year is 196 with a standard…

A: We are given,μ = 196σ = 22n = 60

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: mean=145.2cm S.D=2.2cm

Q: The average time a person spends shopping in a grocery store is 43 minutes.  If the time is normally…

A: Given:  The average time a person spends shopping in a grocery store is 43 minutes.  The time is…

Q: The weights of college football players are normally distributed with a mean of 193 pounds and a…

A: Mean = 193 Standard deviation = 53

Q: Brewed decaffeinated coffee contains some caffeine. We want to estimațe the amount of caffeine in 8…

A: Obtain the 90% confidence interval estimate for the true mean amount of caffeine in eight-ounce cups…

Q: Trucks in a delivery fleet travel a mean of 100 miles per day with a standard deviation of 38 miles…

A:

Q: Americans (on average) individually eat 16 pounds of seafood each year with a standard deviation of…

A: Given that   x̄ = 14 , μ = 16 , ? = 7 , n = 4

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Introduction:The sampling distribution of the sample mean, X̅ from a population with normal…

Q: An elevator has a weight capacity of 2000 pounds. Assume the weights of us men have a mean of 190…

A: The probability the elevator will be over capacity is obtained below:From the given information X…

Q: Suppose that heights of women in Utah are normally distributed with a mean of 74 inches and a…

A:

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Normal distribution

Q: Solve the problem. Assume that mountain lions' weights are normally distributed with a mean of 62.6…

A: We have given that,  X be the random variable from normal distribution with mean (μ) = 62.6 ,…

Q: The length of time, L hours, that a phone will work before it needs charging is normally distributed…

A: The length of time that a phone will work before it needs charging is normally distributed with  Let…

Q: 1, the mean number of goldfish in the package is 187. find the probability of choosing a package…

A: Thanks for posting the question. Since multiple questions are posted, we will answer one question…

Q: find the probability that the mean time of a sample of 15 Americans who shower will be less than 12…

A:

Q: sample of 8 students scored the following grades: 20, 40, 35, 30, 57, 57, 46, 42. Find the sample…

A: Given Data: 20, 40, 35, 30, 57, 57, 46, 42

Q: The average number of minutes per week that teenagers spend texting is 250.0. Assume the standard…

A: Normal distribution is a continuous distribution which has many real life applications. Normal curve…

Q: The golf scores for a school team were normally distributed with a mean of 68 and a standard…

A: Normal distributionPopulation mean : Population standard deviation : The probability that a golfer…

Q: In the 2014 MLB season the Los Angeles Dodgers won 94 games and lost 68 to finish in first place in…

A: Introduction: Denote the random variable, X as the runs scored by the team in a randomly selected…

Q: e average height of mall giraffes is 16.3 feet. If the heights are normally distributed with a…

A: Given data,Mean μ=16.3sd σ=3.2P(15<X<20)=?

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.