A concrete mixture contains seven parts by volume of ballast, four parts by volume of sand, and two parts by volume of cement. Determine the percentages of each of these three constituents correct to the nearest 1% and the mass of the cement in a two-ton dry mix, correct to 1 significant digit.

Q: A magnesium alloy contains the following volumes of each element: 341.2 cubic decimeters of…

A: Note the formula we can use to calculate percentage of element in an alloy : Percentage of specified…

Q: s. Find the length.

A:

Q: In a survey of 140 asthmatics, 35% had allergy to house dust. Construct the 99% CI for the…

A: Given that,The sample size  is 140. The 35% had allergy to house dust.i.e. The confidence level is…

Q: find the unite rate 3.75 pints out of every 5 galons

A: Given,3.75 pints out of every 5 gallons

Q: actory together produce 20,328 items per day. What is the daily unit rate of items per​ worker?

A: Given, The 168 workers at a factory together produce 20,328 items per day.

Q: What was the total mass of this purchase in kilograms? (Round the total to the nearest 0.1 kg.) The…

A: Given that a shopper purchased the following items  Items Tomatoes Soup Potatoes Sugar Raisins…

Q: a tank need to be built inside an existing dike with a capacity of 175,000 gallons. The existing…

A: Given: Tank 1: diameter= 15 feet, height= 12 feet  Tank 2: diameter= 20 feet, height= 40 feet  Hike…

Q: If a soft drink galatin capsule contains 4½ml of cod liver oil, what will be the total dose if 20…

A: We can find the answer as below

Q: find the total cost of two packages of ground meat weighing 655g and 745g if the price per kilogram…

A:

Q: Dimensions of the tank               Length and Width: 2.002 cubic feet               Height:…

A: Given dimensions of the tank: Length=width=2.002 cubic feet Height=2.335 cubic feet Dimensions of…

Q: A bottle of Vitamin E contains 60 soft gels, each containing 10 mg of vitamin E. How many total…

A:

Q: You have 10 bunches of collard greens. Each bunch weights 12oz . After cleaning, you have 2# 7oz of…

A: Consider the given: Total bunches of collard greens = 10 bunches Weight of each bunch = 12 oz Total…

Q: 2) Next, complete the table below for different numbers of batches of Tuna Casserole: 1 tray of tuna…

A: Given that, 1 tray of tuna casserole=10 oz of can soup And 1 tray of tune casserole=1 1/2 cups of…

Q: You will be upgrading your landscape at your house. You will be creating a mulch border around the…

A: The width and the depth of the mulch are 3 ft and 5 inches.

Q: A 15  x 15-pica-square logo is to be enlarged to 3  x 3-inches-square space. What is the percentage…

A: Introduction: First, figure out how much the two numbers you are comparing differ (rise). Increase =…

Q: If a 100-gram serving of pasta contains 7 g of protein, how many grams of protein are in a 454 gram…

A: Let x represent the number of grams of protein.It is given that a 100-gram serving of pasta contains…

Q: To dilute blood for a white blood cell count, 0.75 units of blood is added to 18 units of diluting…

A: To dilute blood for a white blood cell count, 0.75 units of blood is added to 18 units of diluting…

Q: How many units of utilities are required to produce 30 units of agricultural products?

A:

Q: the urinary output of a patient with an indwelling Foley catheter is 1400milliliters. How many…

A:

Q: How much water would you expect the people in a city with a population of 100,000 to use in 1 day?…

A: Given that: Total Population = 100000(a)Water flow in each shower = 10 liters per min and each…

Q: An assortment of coins contains 14 pennies, 16 nickels, 9 dimes, and 11 quarters. To three…

A: 1 penny = $0.01 1 nickel = $0.05 1 dime = $0.1 1 quarter = $0.25 Number of coins that have face…

Q: What percent of the batches of water discharged exceed the 80 ppm standard?

A: Given: Calculate the required probability as follows:

Q: the physician ordered zovirax capaules 5 mg/kg every 8 hours for 7 days for a patient who has a…

A: According to the conversion, 1 pound=12.205 kg132 pounds=12.205×132                =59.8742kg

Q: A storage area has space for 20,000 parts. Currently 15,000 parts are stored there. How many percent…

A: We have to find capacity used.

Q: An engine loses 4.2 horsepower through friction. the power loss is 6% of the total rated horsepwoer.…

A:

Q: How many %-inch lengths can be cut from a 7-inch fiber strip?

A:

Q: Find the total weight of three items that weigh: 1 2 2 8- kg, 7- kg, and 3 4 4 - kg. 7

A:

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.