1. The waiting time at a bus stop is uniformly distributed between 1 and 12 minute. a. What is the probability density function? b. What is the probability that the rider waits 8 minutes or less? c. What is the expected waiting time? d. What is standard deviation of waiting time?

Q: The maternity ward at Dr. Jose Fabella Memorial Hospital in Manila in the Philippines is one of the…

A: In the given case, the number of observations in a fixed period of time is supposed to be modelled…

Q: A group of faculty goes off campus for lunch once a month.   They usually go to a restaurant nearby.…

A: Obtain the probability density function for the random variable X: Let X be the random variable…

Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 74…

A: (a)   Obtain the probability that a randomly selected person at the hot springs stays longer than 80…

Q: Assume the readings on thermometers are normally distributed with a mean of 0 degrees Celsius and a…

A: We have to find out given probability..

Q: Let x be a ramdom variable that represents the IQ score of an adult . Then x has a normal…

A: The z-score denotes how many standard deviations an individual score is away from the population…

Q: The average student loan debt for college graduates is $25,000. Suppose that that distribution is…

A: Solution: It is given here: The average student loan debt for college graduates is $25,000. Also,…

Q: Assume that adults have IQ scores that are normally distributed with a mean μ=100 and a standard…

A: Given μ = 100and  standard devaition (σ) = 20we need to calculate P( 89 < X < 111)

Q: The average student loan debt for college graduates is $26,000. Suppose that that distribution is…

A: It is given that  Average = $26000 Standard deviation = $11500

Q: Assume that the amounts of weight that male college students gain during their freshman year are…

A: Given that mean =1.4,s.d =4.7

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: The test scores are -1.64 and 1.64.

Q: The average student loan debt for college graduates is $25,750. Suppose that that distribution is…

A:

Q: ne year consumers spent an average of $22 on a meal at a resturant. Assume that the amount spent on…

A: Let X be the random variable from a normal distribution with mean (μ)=22 and standard deviation…

Q: The age of children in kindergarten on the first day of school is uniformly distributed between 4.98…

A: As per our guidelines we are suppose to answer only three subparts  kindly post the remaining…

Q: your ey will triple in value in a single year? d enter your answer as a percent rounded to

A: given mean = 16.3 standard deviation = 34

Q: The average student loan debt for college graduates is $25,450. Suppose that that distribution is…

A: a)   If a random variable X follows normal distribution with mean µ and standard deviation σ, then…

Q: Suppose the full score for our final exam is 200 points. Based on previous record, we know students…

A: Given that.   X~N( μ , ?)   μ=160  , ?=15  , n=25   Z-score =( x - μ )/?

Q: Assume the average number of fatal crashes caused by sleep-deprived drivers each year is 2,000.…

A: The mean is 2,000 and the standard deviation is 275.

Q: Assume that the number of sick patient per day are normally distributed with a mean of 5000 and a…

A:

Q: 2- Rainfall duration at a location along the Gulf Coast follows an exponential distribution with a…

A: Given information- Population mean, β = 2.725 hours We have to find the probability that the…

Q: After collecting the data, Maria finds that the employee turnover for a certain company is normally…

A:

Q: Americans receive an average of 15 Christmas cards each year. Suppose the number of Christmas cards…

A: Note:- "Since you have posted a question with multiple subparts we will provide solutions only to…

Q: Let x be a random variable that represents the level of glucose in the blood (milligrams per…

A: population mean  standard deviation

Q: A person's blood glucose level and diabetes are closely related.  Let x be a random variable…

A: Given, Mean = 85 Standard deviation = 25   The objective to is find the probability that, for an…

Q: Assume that an individual's golf scores are normally distributed with a mean of 90.4 and a standard…

A:

Q: company that owns a large number of grocery stores claims that customers who pay by personal check…

A:

Q: The company offers free buffet lunch for candidates attending the interview. As a HR analyst, Luke…

A:

Q: 1. The average number of liters of fresh milk that a person consumes in a month is 18 liters. Assume…

A: Given : The average number of liters of fresh milk that a person consumes in a month is 18 liters.…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Given, Mean = μ = 250SD = σ = 44

Q: Los Angeles workers have an average commute of 31 minutes. Suppose the LA commute time is normally…

A: Here, µ = 31 and σ = 13.

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.