The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 39 ounces and a standard deviation of 8 ounces. Use the Empirical Rule, find a) 99.7% of the widget weights lie between and b) What percentage of the widget weights lie between 31 and 63 ounces? c) What percentage of the widget weights lie below 55?

Q: The mean Verbal SAT was 515 for 238 college students who took this tes m of the test revealed a mean…

A: Given:- Sample size, n= 238Population mean μ =  515Sample mean x¯ = 500Sample standard deviation S=…

Q: Consider the data of a businessman that accumulates the daily sales of his restaurant business…

A: The data of the daily sales of restaurant for the 10 day is given as: 18,500  23,600  21,210…

Q: According to the Empirical rules rule, if there are 500 observations in a mound shaped data set the…

A: The empirical rule, also referred to as the three-sigma rule or 68-95-99.7 rule, is a statistical…

Q: The Department of Trade and Industry surveyed the price of unleaded gasoline at gas stations in…

A: (a)   Obtain the mean price of Tagum city.   Use EXCEL Procedure for finding the value of sample…

Q: A random sample of 12-ounce milkshakes from 11 fast-food restaurants had the following number of…

A: Note: Thank you for the question. Since multiple subparts are posted, according to our policy, we…

Q: The quality control department of Cool Cola tested the bottle fillers and found them to fill 500 mL…

A: Measure of central tendency measures the central or average value of a dataset. Mean, median and…

Q: According to a survey by Harris Interactive conducted in February 2009 for the charitable agency…

A:

Q: a department store on average, has daily sailes of $29,395.82. the sandard deviation of sales is…

A: Given that, Mean, mu= 29395.82 And standard deviation, sigma= 2000 We know that, z score is given…

Q: The annual per capita consumption of bottled water was 30.2 gallons. Assume that the per capita…

A: Given information- Population mean, µ = 30.2 gallons Population standard deviation, σ = 13 gallons…

Q: A group of 123 bunnies had a mean hopping distance of 48 inches and a standard deviation of 3.5…

A: To find the number of: a) Bunnies will hop between 41 and 44.5 inches b) Bunnies will hop between 48…

Q: According to a government study, among adults in the 25- to 34-year age group, the mean amount spent…

A: Given : The mean amount spent per year on reading and entertainment is $1,994. Assume that the…

Q: The average licensed driver travels 1,028 miles per month in his or her vehicle. Assume the…

A:

Q: During I week, an overnight delivery company found that the weights of its parcels were normally…

A: 1. a. The percent of the parcels weighed between 12 oz and 30 oz is obtained below: It is given that…

Q: The mean rate for satellite television for a sample of households was $49.50 per month, with a…

A: According to the empirical rule,

Q: A preliminary sample of holiday shoppers revealed that the standard deviation of the amount of money…

A: Given data,σ=82E=7z-value at 95% confidence is Zc=1.96n=?

Q: The annual commissilons per salesperson employed by a retailer of mobile communication devices…

A: Let X be the random variable from normal distribution with mean (μ) = $ 41200 ans standard deviation…

Q: A distance is measured as 27.3 inches and 15.6 inches with the standard deviation (error) of 0.16…

A: Given information- We have given the mean and the standard deviation. E(X) = 27.3 inches E(Y) = 15.6…

Q: throughout America and decides to focus on the height data, given in meters, which are repro…

A: Given data :  Height of skyscrapers ( meters) 107.5 108.2 133.6 151.4 155.8 149…

Q: (a.) Find the point estimate for the mean and standard deviation of the salaries of all the…

A: NOTE-AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION ONLY  Now  Here Given the salary of 12…

Q: For a distridution Bowley's coefficient of skewness is – 0.56, Q = 16.4 and median = 24.2. What is…

A:

Q: The mayoral office surveyed the number of people who use each of the city's public shelters every…

A:

Q: A college professor noted that the grades of his students in an introductory statistics class were…

A: Given,mean(μ)=28.50standard deviation(σ)=9

Q: Given that the mean weight of senior high school students is 65kg with a standard deviation of 10kg.…

A:

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

A:

Q: Given that the mean for a data set is 24.8 and the standard deviation is 2.3, find the z-score of…

A: It ia given that Mean = 24.8 SD = 2.3 Value X = 27

Q: According to the records of an electric company serving the Boston area, the mean electric…

A: The mean and standard deviation are 1650 and 320, respectively.

Q: Find the Median of the data set Compute the Standard deviation. (i)

A: To find the median we have to arrange the data set first.  That is: 15   17   18   19   20   31   33…

Q: The weight of a division I college football player has a mean of 255lb and a standard deviation of…

A:

Q: The towing capacities (in pounds) of 25 four-wheel drive pickup trucks have a bell-shaped…

A: From the given information, we have mean = 11830 Standard deviation = 2370 We have to find the…

Q: In a normally distributed data set a mean of 55 where 95% of the data fall between 47.4 and 62.6,…

A:

Q: Which of the following statenments stated below is precisely correct/true? OA The standardized…

A:

Q: The weights, in pounds, of a group of dogs are:          18, 31, 22, 46, 55, 28.    Calculate the…

A: Given Data The weight of a group of dogs are: 18,31,22,46,55,28   The size of group is N=6   The…

Q: Amount of deposit, $ (x,) 1000 3000 3500 7000 15000 Number of depositors (n,) 96 107 130 89 78

A: xi 1000 3000 3500 7000 15000 ni 96 107 130 89 78

Q: d. Compute the first and third quartiles. e. Which measure, the mean or median, is a better measure…

A: The data can be sorted in ascending order as: 28, 29, 30,39, 41, 48, 48, 49, 51, 62

Q: On a measure of artistic ability, the men for college students in new zealand is 150 and tthe…

A: Given mean = 150Standard deviation = 25The Z score is calculated using the below mentioned formula…

Q: In a statistics class of 150 students, the mean and standard deviation of scores was 70 and 5,…

A: Given: The total number of students are N=150. The mean scores of students in a statistics class is…

Q: The mean length of a human pregnancy is 265 days, with a standard deviation of 14 days. Use the…

A:

Q: Below are the ages of randomly selected customers in a fast food chain 46 48 29 27 30 31 35 28 29 27…

A:

Q: Assume the average income of workers in jordan equal 400 JD, a sample of 500 workers are taken and…

A: please see the next step for solution

Q: On a construction site, the amount of dirt scooped by a forklift machine is normally distributed…

A:

Q: The percentage of observations that are contained within 3 standard deviations of the mean is O a.…

A: As per the empirical rule for normal distribution, 68%, 95%, and 99.7% of the values lie within one,…

Q: A man works for a travel agency whose employees had an avergae income of Php32,000 with a standard…

A:

Q: A small grocery store, on average, has daily sales of Php28, 176.44. The standard deviation of sales…

A: Solution: Let X be the daily sales. From the given information, µ = Php 28,176.44 and σ = Php 1500.

Q: A person in the U.S. eats about 25 pounds of M&M's per year with a standard deviation of 3 pounds.…

A: Solution: Given  μ= 25 Pounds  Population meanσ= 3 Pounds Population standard deviations Assumed…

Q: Which of the following answers best describes ways of interpreting and understanding the values of…

A:

Q: A person in the U.S. eats about 25 pounds of M&M's per year with a standard deviation of 3 pounds.…

A: Assume that a person in the U.S. eats of M&M's per year follow normal distribution. μ=25σ=3 Let…

Q: The weights of the contents of cans of tomato sauce produced by a company are normally distributed…

A:

Q: Assuming that the heights of college women are normally distributed with mean 65 inches and standard…

A:

Q: Blood serum cholesterol levels of 10 persons are as ubder: 240 260 290 245 255 288 272 263 277…

A: Given The data is as follows: 240, 260, 290, 245, 255, 288, 272, 263, 277, 251