Suppose that the shelf lige of Buko pies has a normal distribution with mean of 36 hours and a standard deviation of 2.4 hours. Random samples of size 25 are taken. What is the probability that the shelf life of the random sample size 25 is less than 36.5 hours? What is the probability that the shelf life of a random sample size of 25 is between 35 to 37 hours?

Q: Suppose the selling price of various houses in Livingstone follow a normal distribution with mean…

A: Given information: μ=276000σ=32000

Q: manufacturer of light bulbs produces bulbs that last a mean of 950 hours with a standard  deviation…

A: To find the probability that the mean lifetime of a random sample of 10 of these bulbs is less than…

Q: Suppose it is known that the distribution of purchase amounts by customers entering a popular store…

A: From the provided information, the distribution of purchase amounts by customers entering a popular…

Q: Consider the marks of all 1st-year students on a statistics test. If the marks have a normal…

A: Suppose, X be the marks of statistics students, X follows Normal distribution with mean 72 and…

Q: The percent of fat calories that a person in a city consumes daily is normally distributed with a…

A:

Q: It has been observed that the net amount of soda in such a can has a normal distribution with a mean…

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: A lawyer commutes daily from his suburban home to his midtown office. The average time for a one-way…

A: The binomial distribution discovered by James Bernoulli. If X is a discrete random variable with…

Q: The starting salaries of individuals with an MBA degree are normally distributed with a mean of…

A:

Q: The weight of Icelandic men aged 25 to 35 follows a normal distribution with an average of 85.6 kg…

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

Q: Suppose that a 1-gallon can of paint covers 513.3 square feet on average with a standard deviation…

A: From the provided information, Mean (µ) = 513.3 square feet Standard deviation (σ) = 31.5 square…

Q: A quality control company was hired to study the length of meter sticks produced by a certain…

A: Let we define X be the length of meter sticks produced by a certain company. The distribution of X…

Q: A normal distribution is observed from the number of rentals per week for a certain car rental…

A:

Q: If the average length of stay in the hotel is 12 days with a standard deviation of 6 days assuming…

A: It is given that average length of stay in the hotel is 12 days with a standard deviation of 6 days…

Q: If we know that the length of time it takes a college student to find a parking spot in the library…

A: Given data,μ=5σ=1P(X<3)=?

Q: Suppose that the amount of cosmic radiation to which a person is exposed when flying by jet across…

A: It is given that the mean and standard deviation are 4.35 and 0.59, respectively.

Q: Assume the values of accounts receivable by a corporation are distributed with a true mean of…

A:

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

A: Given, Mean=50 Standard deviation= 5 x1= 61 x2= 54

Q: Suppose that the average cell phone bill at Bellevue University is $38.90 per month with a standard…

A: Given that, μ=$38.90σ=$3.64n=44 The mean standard deviation of sampling distribution of sample mean…

Q: Assume that IQs are normally distributed with a mean of 120 and standard deviation of 20. For a…

A:

Q: The distribution of weekly salaries at a large company is right skewed with a mean of $1000 and a…

A: Given,sample size (n)=50mean(μ)=$1000standard deviation(σ)=$350

Q: For women aged 18-24, systolic blood pressures ( in mm Hg) are normally distributed with a mean of…

A: Given information- Population mean, µ = 114.8 Population standard deviation, σ = 13.1 Let, X be the…

Q: The amount of time that customers wait in line during peak hours at one bank is normally distributed…

A: Here it is given that, Mean (μ) = 12Standard Deviation (σ) = 2 Let X be a random variable which…

Q: The distribution of salaries at a large company is right-skewed with a mean of $5000 and a standard…

A:

Q: A new brand of cell phone battery has a mean battery life of 54 hours with a standard deviation of…

A:

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

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…

Q: What is the probability that a randomly chosen light bulb will have a lifetime of more than of 1,000…

A: Let X denote the lifetimes of the light bulb produce by Flip Company. Given that X follows N(mean =…

Q: A quality control company was hired to study the length of meter sticks produced by a certain…

A: As per our guidelines we can solve first three subpart and rest can be reposted. Solution-: Given:…

Q: Suppose the average credit card debt for Americans is $7000 and is not normally distributed with a…

A:

Q: The medical records of infants delivered at the Kaiser Memorial hospital show that the…

A:

Q: Suppose the average length of stay in a chronic disease hospital of a certain type of patient is 60…

A: Given Mean =60 Standard deviation=15

Q: It is estimated that the weight of a box of cereal follows a normal distribution with a mean of 23.8…

A: Solution: Let X be the weight of a box of cereal. From the given information, X follows normal…

Q: Suppose that the average number of hours spent by senior high school students in your school for…

A: Mean(µ) = 25Standard deviations (σ) = 4Sample size (n) = 12 Also given that it is normally…

Q: An online food delivery service in metro manila has a mean delivery time of 30 minutes with a…

A: Let X denote the delivery time. Given that X follows N(mean = 30, SD = 5), then Z = (X - mean)/SD…

Q: Suppose the number of movies people rent per month is normally distributed with a mean of 4.8 and a…

A: Let x be the number of movies people rent per month which follows normal distribution with mean 4.8…

Q: Suppose that the height of women in Dakar, Senegal is normally distributed with mean 58 inches and…

A: Note- As per our policy we can answer only the first 3 sub-parts of a question. If you want…

Q: Suppose that the number of customers who enter a supermarket each hour is normally distributed with…

A: Let X denote the number of customers who enter a supermarket each hour and it follows normal…

Q: Suppose that the body lengths of adult male crested porcupines in a certain region in the U.S. are…

A: The random variable X is defined as the body lengths of adult male crested porcupines in a certain…

Q: If the weights of sheep are considered normally distributed with a mean of 60 kg and a standard…

A: let  x is defined as the weights of sheep are considered normally distributed with a mean of 60 kg…

Q: Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed…

A: From the given information,Mean (μ) =272days and standard deviation (σ) =19daysSample size (n) =51

Q: A small retail store has customers whose ages are normally distributed, with a mean of 37.5 and a…

A:

Q: The time spent commuting from home to work for all employees of a very large company has a normal…

A: Given data: Let X be the time spent commuting from home to work for all employees that follows a…

Q: Suppose the reaction times of teenage drivers are normally distributed with a mean of 0.53 seconds…

A: If a random variable x has a distribution with mean µ and standard deviation σ, then the z-score is…

Q: Suppose that the average number of hurricanes is 32 per year with a standard deviation of 2.8 and…

A:

Q: A citrus farmer who grows mandarin oranges finds that the diameters of mandarin oranges harvested on…

A: Given information- We have given the diameters of mandarin oranges harvested on his farm follow a…

Q: The monthly electric bill for all Great Lakes Electric Company are known to be distributed as a…

A: Given that  The monthly electric bill for all Great Lakes Electric Company are known to be…

Q: A random sample of 16 junior managers in the offices of corporations in a large city center was…

A:

Q: mean cost of a new Sport Utility Vehicle (SUV) has been found to be $42,500 with a standard…

A: Given that: μ = $ 42500 ? = $ 2500 By using standard normal distribution we solve this problem

Q: The percent of fat calories that a person in a city consumes daily is normally distributed with a…

A: Normal Distribution: A continuous random variable X is said to follow Normal distribution with…

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

A: When the given sample size is more, that means 30 are more than 30, then we use a large sample test.…

Q: The average height of 4 year-old children is 40 inches with a standard deviation of 2.4 inches. If…

A: The random variable height follows a normal distribution. The population mean is 40. The population…

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.