Suppose you operate a diamond mine in South Africa. The daily production of diamonds is approximately normally distributed with a mean of 7,500 tons of diamonds per day with a standard deviation of 1,500 tons of diamonds per day. 21. What is the probability that the mine produces more than 9,200 tons of diamonds in a day? a) .1292 b) .8708 c) .5478 d) .4522 22. What is the probability that the mine produces between 5,400 and 8,200 tons of diamonds in a day? a) .6808 b) .0808 c) .60 d) .7616 23. What is the probability that the mine produces between 4,500 and 9,000 tons of diamonds in a day? a) 68% b) 95% c) 79% d) 81.5%

Q: The manufacturer of a new compact car claims the miles per gallon (mpg) measurement for the fuel…

A:

Q: The dean of a business school claims that the average monthly income of his school's BS in Business…

A: Given, μ=24700σ=4100n=50

Q: Tompkins Associates reports that the mean clear height for a Class A warehouse in the United States…

A: We have to find given probability..

Q: 1. The average number of milligrams (mg) of cholesterol in a cup of a certain brand of ice cream is…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Assume that the number of days it takes a homebuilder to complete a house is normally distributed…

A: Normal distribution is a continuous distribution which has many real-life applications. The normal…

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

A: As per bartlby guideline expert have to answer first three subparts only..

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: A soft drink machine is regulated so that it discharges an average of 200 ml per cup. If the amount…

A: given information is  Let X represent the amount of drink distributed. μ =200 σ=15 a) P ( X > 224…

Q: Assume the room rate for a​ three-star hotel in a European city follows a normal distribution with a…

A:

Q: Assume the average attendance of a college game is normally distributed with a population mean of…

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

Q: Tompkins Associates reports that the mean clear height for a Class A warehouse in the United States…

A: Given data Mean µ = 22 feet Standard Deviation σ =4 Feet

Q: A civil engineer takes a public ride going to his firm. The average time for his trip is 24 minutes,…

A: Given Information: Population mean (u) = 24 minutes Standard Deviation (s) = 3.80 minutes Target…

Q: Suppose 20% of all emergency room patients have broken bones. Of the next fifteen patients to…

A:

Q: suppose that vehicle speeds at an interstate location have a normal distrubution with the mean equal…

A: Solution-: Given: μ=112km/h,σ=12.9km/h We want to find, (a) The z score for a speed of 103 km/h ?…

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: According to the National Association of Colleges and Employers, the 2015 average starting salary…

A:

Q: The American Automobile Association (AAA) reported that families planning to travel over the labor…

A: Given data: Mean = 749 Standard deviation  = 225 To find the given probabilities

Q: Assume that the average weight of an NFL player is 245.7 pounds with a standard deviation of 34.5…

A: Given - The average weight of an NFL player is μ = 245.7 pounds with standard deviation σ =34.5…

Q: 2) Assume that men’s weight in the United States are normally distributed with a mean 172 pounds and…

A: Given,   Mean = 172 Standard deviation = 29

Q: 1. The weights of deer in a national park are normally distributed with a mean of 65 kilograms and a…

A: Given that, the weights of deer in a national park are normally distributed with a mean of 65…

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 transistor of this type will last at most 50 weeks? b. What is the…

A: Let , X→N(μ=40 , σ=5) Our aim id to find the following :  a. What is the probability that a…

Q: The annual per caplta consumptlon of bottied water was 31.1 gallons. Assume that the per capita…

A: Given μ=31.1 and σ = 11  a)  P(more than 36) = P(x>36) Px-μσ>36-31.111 Pz>0.44 = 0.328

Q: 1. A 100-watt light bulb has an average brightness of 1640 lumens, with a standard deviation of 62…

A:

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

A:

Q: he weights of deer in park are normally distributed with mean of 65 kg and a standard deviation of…

A:

Q: A study of long-distance phone calls made from General Electric Corporate Headquarters in Fairfield,…

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

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: A study of long-distance phone calls made from General Electric Corporate Headquarters in Fairfield,…

A: [Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: 1. Suppose the height of a tomato plant follows a normal distribution with a mean of 74.5…

A:

Q: The probability that a house in an urban area will be burglarized is 5%. A sample of 50 houses is…

A: Given P= 0.05 , n = 50 ______________________________

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

A:

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: The service time for customers coming through a checkout counter has mean 51.4 seconds and standard…

A: Given: Service time = X Mean of X = 51.4 sec standard deviation of X = 6.8 sec n = 64 sample mean =…

Q: 4. The weights of male basketball players on a certain collegiate basketball league are normally…

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

Q: The American Automobile Association (AAA) reported that families planning to travel over the labor…

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

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

A: Given information: Mean=50 hours and standard deviation=15 hours. That is, μ=50 and σ=15

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

A: Soft drink vending machine dispenses soda into 12 ounce cups.  Define the Random Variable, X :…

Q: Charlotte, North Carolina has a mean annual rainfall of 43 inches, with a standard deviation of 4.2…

A: Solution: Given data Mean(μ) = 43 inches Standard deviation(s) = 4.3 inches Amount of rainfall  is…

Q: Assume the average price for a movie is ​$7.35. Assume the population standard deviation is ​$0.44…

A:

Q: In​ 2008, the per capita consumption of soft drinks in Country A was reported to be 18.16 gallons.…

A: Let "X" be the per capita consumption of soft drinks in Country A. Use excel formula…

Q: Given that 40% of employed persons are in favour of the implementation of the flexi-week, in a…

A:

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

A:

Q: The mass of a species of mouse commonly found in houses is normally distributed with a mean of 19.6…

A: We have given that, The mass of a species of mouse commonly found in houses is normally distributed…

Q: A soft drink vending machine is set to dispense an average of 200 milliliters per cup. If the amount…

A: a) Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: the average price for a gallon of gas in the united states is $1.80. assume that the population…

A: Given information- Population mean, μ = $1.80 Population standard deviation, σ = $0.50 a) Sample…

Q: Given that 40% of employed persons are in favour of the implementation of the flexi-week, in a…

A: As per our guidelines we are suppose to answer three sub parts.

Q: According to the US energy administration, the mean monthly household electric bill in the united…

A:

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.