5.The number of complaints filled out by the customers are 35 in 1000 customers. This firm serves 35000 customers each year in average. Let X denote the number of customers filling out compliant forms. What is the probability of the number customers that filled out compliant forms between one standard deviation and two standard deviation?

Q: 2. Medical research has concluded that people experience a common cold roughly two times per year.…

A: GivenMean(μ)=160standard deviation(σ)=40

Q: 3. For a certain type of computers, the length of time bewteen charges of the battery is normally…

A: Given that mu = 50 ,s.d =15 p ( 50 <x<70 ) = ?

Q: 3. A soft drink vending machine dispenses soda into 12-ounce cups. Tests show that the actual amount…

A:

Q: 2. The time required to prepare a certain specialty coffee at a local coffee shop is uniformly…

A: Let X: The time required to prepare certain specialty coffee at a local coffee at a local coffee…

Q: 21. According to the local union president, the mean gross incomé óf plumbers in the Salt Lake City…

A: The following information has been provided: Hypothesized Population Mean (μ)(\mu) = Mean gross…

Q: 2. A radar unit is used to measure speeds of cars on a motorway. The speeds are normally distributed…

A: Let X be the radar unit  X~N(mean μ=90, standard deviations σ=10) P(X>100)=?  Note: this…

Q: A Nielsen Company report states that the mean number of TV sets in a U.S. household is 2.24. Assume…

A: Solution: Given information: n= 85 Sample size  μ= 2.24 Population mean σ=1.2 Population standard…

Q: 6. Suppose the mean weight of school children's book bags is 17.5 pounds, with standard deviation…

A: Solution :-

Q: The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally…

A: As per bartleby guidelines for more than three subparts, only 1st three are to be answered. Please…

Q: 13.   A bank's loan officer rates applicants for credit.  The ratings are normally distributed with…

A: Let X be the random variable from normal distribution with mean (μ) = 225, standard deviation (σ) =…

Q: Among all monthly bills from a certain credit card company, the mean amount billed was $485 and the…

A: Solution: a. Let X be the amount billed from a certain credit card company. From the given…

Q: 2. The amount of time spent by North American adults watching television per day is normally…

A: Given data The amount of time spent by North American adults watching television per day is normally…

Q: 2. The average daily jail population in the New Bilibid prison in Muntinlupa City is 36,295. If the…

A: The average population of jail is 36,295. The standard deviation of the population in jail is 3760.

Q: 1. The waiting time at the doctor's office has a normal distribution with a mean of 35 minutes and…

A: Given: μ=35 minutesσ=2.6 minutes

Q: 3. The probability that a component is defective is 0.15. A person orders a box of 200 components.…

A: The probability that a component is defective is 0.15 A person orders a box of 200 components.…

Q: Use the CLT again to determine the probability that the mean taxable wages in James' sample of 50…

A: It is given that mean is 28.29 and the standard deviation is 33.493.

Q: The average fuel efficiency of U.S. light vehicles (cars, SUVs, minivans, vans, and light trucks)…

A: The average fuel efficiency of U.S. light vehicle is 21 miles per gallon. The standard deviation of…

Q: 4. The average public elementary school has 468 students with a standard deviation of 87. If a…

A: Here use given step by step solution and normal distribution of sample mean

Q: III. The height of the PBA players mean of 193 cm with standard deviation of 7. If 30 of them are…

A: Given,sample size(n)=30mean(μ)=193standard deviation(σ)=7

Q: b. The average commute to work is 25 minutes. If we assume that commuting times are normally…

A: We have to find given probability..

Q: 4. 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 standard deviation is 12.

Q: (c) A manufacturer ABC produces tires. The mean distance to wear out of these tires is 108,000 km,…

A: GivenMean(μ)=108000standard deviation(σ)=15000margin of error(E)=0.05confidence…

Q: 1-The length of time a domestic flight must wait between gate departure and rakeoff taxi at Boston's…

A: (a) Obtain the probability that a plane must wait between 18 and 24 minutes before taxiing for…

Q: 4. Assume that the mean weight of all NFL players is 245.7 pounds, with a standard deviation of 34.5…

A: Hi, since the question posted by you contains multiple sub-parts, we will be providing you with…

Q: 5. The average salary of bank managers in a certain city is $91,900 pesos per hour with a standard…

A: Let X be the random variable from normal distribution with average or mean (μ) = $91900 and standard…

Q: 1.A study of the amounts of time (in hours) college freshmen study each week found that the mean is…

A:

Q: 1. The Food and Drug Administration is checking the amount of cereal that a breakfast food company…

A: The amount of cereal that breakfast food company is putting in their boxes follows the normal…

Q: 9) For a certain type of computer, the length of time between charges of the battery is normally…

A:

Q: What is the probability that a battery lasts more than four hours? b. What are the quartiles (the…

A: Let X denote the time until recharge for a battery. Given that X follows N(mean = 260, SD = 50),…

Q: Suppose that scores on an exam are normally distributed with mean 80 and standard deviation 5, and…

A: Solution. Given score follow normal distribution. Mean = 80  Score= 5

Q: The service time for customers coming through a checkout counter has mean 50.4 seconds and standard…

A: Define X as the service time for customers coming through a checkout counter has mean 50.4 seconds…

Q: 2. The average number of pages in a novel is 326 with a standard deviation of 24 pages. If a sample…

A: For a random variable X, with mean μ and standard deviation σ , the average of X =1n∑xii=1n =X¯…

Q: 1. The average amount of calories from a hamburger served in a restaurant in 220 per order with a…

A: Given that: X is normally Distributed with mean µ = 220.0 and standard deviation σ = 30.0 By using…

Q: According to the Niesien Company the mean number of TV sets in a US household in 2013 was 2.24…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the mean…

Q: 2. Assume that SAT scores are normally distributed with mean µ = 1060 and standard deviation o =…

A:

Q: A Nielsen Company report states that the mean number of TV sets in a U.S. household is 2.24. Assume…

A: Obtain the probability that the number of TV sets is greater than 2 in that household. The…

Q: 4 Riley is a music DJ. So far, her average playing time per day is 5 hours, with a standard…

A: The random variable X follows normal distribution. We have to find the probability that on the next…

Q: 2.Suppose that 60% of middle school students in San Diego wear braces. A random sample of 250 San…

A: Given Information : Suppose that 60% of middle school students in San Diego wear braces. A random…

Q: 2. According to the International Graduation Association, on average, high school girls in Canada…

A: Here AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION ONLY PLZ REPOST FOR REMAINING

Q: 2) The mean monthly rent for a one-bedroom apartment without a doorman in Manhattan is $ 2,639.…

A:

Q: 4. The monthly utility bills in a city are normally distributed with a mean of $100 and a standard…

A: (4) Obtain the standard z-score for the random variable X equals 90. The standard z-score for the…

Q: Suppose that the mean daily viewing time of television is 8.35 hours per household. Use a normal…

A: a. Given that the mean daily viewing time of television is 8.35 hours and standard deviation of 2.5…

Q: Solve without using excel or software

A: 1.a.The probability that a randomly selected employee will have a starting salary of at least…

Q: 8. Calculate the probability that the price lies within 1.5 standard deviations of the mean.

A: Let X be the price. We have to find the probability that the price lies within 1.5 standard…

Q: Suppose a set of 100 random numbers is normally distributed, with a mean of 50 and standard…

A: suppose a set of random numbers is normally distributed, with a mean of 50 and standard deviation 2.…

Q: The average fuel eficiency of U.S. light vehicles (cars, SUVS, minivans, vans, and light trucks) for…

A: X~N( μ = 21 , ? = 2.8 ) μ = 21 , ? = 2.8 Formula for Z-score  Z-score =( x - μ )/? Required  A)…

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

A: We have given that.   X~N( μ , ?^2 )   μ = 75, ? =20   Z-score =( x - μ )/?   Note:- According to…

Q: 1. A soft drink machine is regulated to that is discharges an average of 150 mL per cup. If the…

A:

Q: a) No more than two of them dislike their mother in law? c) What is the expected number of women ()…

A:

Q: 1-The length of time a domestic flight must wait between gate departure and takeoff taxi at Boston's…

A: Solution: 1. Let X be the length of time a domestic flight must wait between gate departure and…

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.