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: Find the percentage of consultants who made Php 4,500 or more and Php 3,000 om less per day. Write…

A: The given frequency distribution table is,   The formula for calculating the probability of each…

Q: If 84 of the 136 participants in club activities are residents, what is the ratio of nonresidents to…

A:

Q: A cardiac patient cannot walk any faster that 2.0 mph, but she has been told that she must at 8…

A: Given, speed is 2.0 mph  she must exercise 8 METs. We know that 2.0 mph = 2×26.8=53.6 m/min

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: Calculate, for the composite and each of the subject areas, the difference between the national…

A: We see that we have several values corresponding to a given number of subjects. These values are the…

Q: According to the American Wind Energy Association, wind energy operating capacity increased from…

A: You have asked multiple unrelated questions in the same post. I have addressed the first one. Please…

Q: Estimate, to the nearest tenth, the difference between the average number of awakenings during the…

A: Average number of awakenings during night for men 18 year old is 2.9 Average number of awakenings…

Q: the base of a rectangle is increased by 20% and the altitude is decreased by 10% by what percentage…

A:

Q: mbers .numbered from 1 to 80 per. er than 24. zisible of 6

A: Given : There are 80 numbers numbered from 1 to 80. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,…

Q: suppose that an individual has a body fat percentage of 12.4% and weighs 177 pounds. How many pounds…

A: We have given that Body percentage = 12.4% Weight = 177 pounds We have to find how many pounds of…

Q: If there is 15,000,000 of occupied sf of office space in San Antonio, an 75,000 office workers in…

A:

Q: If the price of gold is $238.00/ounce, calculate the value of gold in a 120.0 g ore sample that is…

A: Given Price of gold

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: What proportion of the adult men in the United States are at least 6 feet tall?

A: here mean= 69.5 inches standard deviation =  3.5 inches Y = height of men

Q: A bike shop reduces the price of a bike for quick sale from $455.00 to $395.00. Compute  the…

A: Given: A bike shop reduces the price of a bike for quick sale from $455.00 to $395.00.

Q: A vacuum pump removes one-half of the air in a container with each stroke. After 10 strokes, what…

A: Given that, the vacuum removes one-half of the air in a container with each stroke. Assume that the…

Q: If the ratio of brown sugar to granulated sugar in an oatmeal cookie recipe is 4:3, what fraction of…

A: To Determine: what fraction of the recipe is brown sugar? Given: If the ratio of brown sugar to…

Q: How is the formula for sector area formed? *Show the proportion!

A: We have to explain the formula for sector area.

Q: If the euro is worth 57% more than the Canadian dollar, how much less (in percentage terms) is the…

A: Note: The meaning of "Value of x is 10% more than the value of y" is same as to say "The value of y…

Q: A rectangular tank 6 m wide, 12 m long and 18 m high is 2/3 full of water. If 120 cubic meter of…

A: * Given data :-       A rectangular tank         1)  breadth = 6 m      2)   length = 12 m      3)…

Q: A goldsmith mixes 10oz of a 35% gold alloy with 20oz of a 17% gold alloy. What is the percent…

A: We have to find concentration of the resulting alloy if a goldsmith mixes 10oz of a 35% gold alloy…

Q: 4. A farmer estimated that there were 25 gallons of water left in a tank. If this is an…

A:

Q: A new bridge reduced the normal 35-minutes travel time between two cities by 14 minutes. What…

A: Given information Original amount of time=35 minutes Reduce amount of time=14 minutes We have to…

Q: How many moles of "ducks" can be produced from 12 moles of "peace signs"?

A: From the image we see that, using 3 moles of peace signs we can make 1 mole of duck. This means 1…

Q: identify a column in the table with data at a ratio level

A: Here you've given that data for Reputations of 10 companies in the U.S. and it is as follows, And…

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

A:

Q: a sample of ore is found to be 0.0012% diamond and 0.033% copper. What is the percentage of matter…

A: Given:- A sample of ore is found to be 0.0012% diamond and 0.033% copper To find:- The percentage of…

Q: When an index number is calculated for several variables, it is called: O A. Whole sale price index…

A: Index Number Index number is the measurement of change in variables with respect to time period

Q: Each big square below represents one whole. What percent is represented by the shaded area?

A: We have to find the percentage of the shaded area.

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

A: Given: Calculate the required probability as follows:

Q: The weight of 10 identical samples of a substance is 0.01 pounds. What is the weight of 1000…

A: Solution:- Weight of 10 identical samples of a substance is = 0.01pound Then Weight of 1 sample of…

Q: If 15 acres of a 100-acre forest is cut down, what percent of the forest has been lost due to it…

A: Given ,  If 15 acres of a 100-acre forest is cut down We have to find percent of the forest has been…

Q: What is the percentage of students weighing less than or equal too 203 pounds

A: Solution Given box plot tell us the five point summary of the data .

Q: A factory can make 3,848 pencils in one hour. Which is the best estimate of how many pencils can be…

A: The factory can make 3848 pencils in one hour. We have to find the number of pencils that can be…

Q: The ratio of pink marbles to white marbles in samara’s bag is equal to 1:5.What percent of the bag…

A:

Q: For the  past month, 60 new cases of a disease were added to an existing 540 cases. If 2500 people…

A: New cases = 60  Existing cases = 540 Total Cases = 600

Q: In a certain company the ratio of men to women is 5:3. What is the fraction of employees that are…

A: Given that the ratio of men to women is 5:3

Q: 75 of 500?

A:

Q: If 7 prunes provide 10% of the Vitamin A needed daily. What percent of the daily percent of Vitamin…

A: By using here cross multiplication property Given 7 prunes provided 10℅of vitamin A  Let 25 prunes…

Q: (a) What percentage of plates should be expected to be thinner than 10 mm? (b) What percentage of…

A: Here, µ = 12 and σ = 1.5

Q: Complete the table of the undergraduate enrollment at a large state university: Class Students…

A: From the provided information, Total Students = 30761 a) The number of students in Non degree class…

Q: If a coin is flipped 225 times and the number of Hs is 75. Compute the proportion of Hs. Round to…

A:

Q: • Under these conditions, what is the consumer surplus? 464 x million of gallons Round your answer…

A: We need to find consumer and producer surplus.

Q: The radius and the height of a right cylinder are each increased by 10%. Find the percentage…

A: Introduction :

Q: A business serves 33 customers with 60 staff to maintain a strong ratio of staff to guests. How…

A:

Q: In a triathlon, participants are required to complete three successive events: swimming, bicycling…

A:

Q: The number of children born in a city during a period was 15,628 and the total population of the…

A: Given problem Given that   The number of children born in a city during a period = 15,628 Total…

Q: A business department is trying to determine if their program is competitive. They survey recent…

A: Given information: The MINITAB output results for the one-same t test is given.

Q: What percentage of adults eat more than 10.4 ounces of chicken in one sitting?

A: Let X denote the amount of chicken that adults eat in one sitting. Given that X follows N(mean = 8,…

Q: Students surveyed boys and girls separately to determine which sport was enjoyed the most. After…

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.