When Wei Wei first purchased his savings bond, it was worth $800. Now, years later, it is valued at $2500. What percent increase does this represent?

Q: Suppose the price of a certain item increases by 3.8% a total of 5 times, and then decreases by 2% a…

A:

Q: The normal price of certain 50-inch LED television set at Buy Big is $799. After Thanksgiving, Buy…

A: Please refer to the image below.

Q: 1-year after a car is sold an owner finds it is worth 60% of the original price. If it is now worth…

A: 1-year after a car is sold an owner finds it is worth 60% of the original price. If it is now worth…

Q: How do you turn a decimal into a percentage?

A: our aim: to state how we convert decimal into percent

Q: To manufacture a dining set, it costs $1,400. If the desired percent markup based on cost is 85%,…

A: To manufacture a dining set , it cost$1400 if the desired percentmarkup based on cost is 85%How much…

Q: 4. According to a government agency, there were 98,600 chefs/head cooks employed in the United…

A: According to the given information, Number of chefs employed in USA in 2010 = 98,600 Number of chefs…

Q: A company's stock was selling at $25 a share. A month later, it was selling at $30 a share. What is…

A:

Q: 15. REI offers a men's soft-shell waterproof jacket for $199.95. If the jackets cost $1943.52 per…

A: The selling price is $199.95, and the cost is $1,943.52 per dozen. It follows that the cost per unit…

Q: 1. In the Baltimore area a high-end Comcast cable package with HBO runs about $67 a month. What…

A: For 1 month the cost is $67 There are 12 months in a year.

Q: If prices increase at a monthly rate of 1.96%, by what percentage do they increase in a​ year

A:

Q: 1. Jack bought a computer for $2000.00 dollars and was forced to sell it for $1,800.00 a. How much…

A:

Q: 6. If the cost price of 20 articles is equal to the selling price of 15 articles, find the profit…

A:

Q: Leslie's monthly income is $1,871.04 and has fixed expenses of $912.46. Leslie treats her roommates…

A:

Q: If you earn $1200 per month and you expect your earnings to increase by 10% per year, how much do…

A:

Q: 10. The wage bill of Unilever was 1o million Ghana Cedis in 2008 and 70 million Ghana Cedis in 2015.…

A: Since,it is known that the increase in the percent is defined as increase in the percent by the…

Q: 21. In a certain month, the ratio of Gemver monthly salary to his commission was 3:1. If his total…

A:

Q: In 2001, a rare baseball card was worth $11.00. This year the card is worth $8.00. What percent of…

A: Given In 2001, a rare baseball card was worth $11.00. This year the card is worth $8.00 We will find…

Q: Joseph migrated to Canada from Ghana 5 years ago. He currently works in sales but is considering…

A: Use the formulae of the Present Value

Q: he Sanders' cruise vacation cost them $2400 last year. This year, they decide to take another cruise…

A:

Q: In October, the circulation of the local newspaper was 247,624. The circulation of the newspaper in…

A: In October, the circulation of the local newspaper was 247,624 In September, the circulation of the…

Q: A Jacket priced at 50% is placed on sale at a discount of 20%. If the discounted price is then…

A:

Q: Express 0.225 as a percent

A: Given; 0.225.

Q: 6. If uz = 4.2 and oz = 0.10, what is the percent of a value being below 4?

A: Given that:   X¯~N( μx¯=4.2 , σx¯ =0.10)

Q: Suppose a worker makes $29,000 in wages per year. Find the percent increase in salary the worker can…

A: The worker salary per year is $29,000.  Expected salary after being trained as a teacher is $49,000.…

Q: 6. The value of a new speed boat depreciates at a rate of 7% per year. If the boat was bought for…

A:

Q: When purchase a stock for 10 pesos and then sell it one month later at 20 pesos, you are buying low…

A: Given problem Given that   When purchase a stock for 10 pesos and then sell it one month later at…

Q: A 3 year bond costs $3,000 and will pay a total of $200 interest over its lifetime. What is its…

A: Topic=algebra

Q: The Hoskins family spends $600 per month on groceries for their family. If this is 12% of their…

A: Given problem is  : The Hoskins family spends $600 per month on groceries for their family. If…

Q: A company's stock was selling at $28 a share. A month later, it was selling at $21 a share. What is…

A: The ratio and proportions can be used to calculate the change in the values. The percent change can…

Q: A 37.5% trade discount on a camera represents a discount of$223.14 from the suggested retail price.…

A: Given, a trade discount on the retail price of the camera with a discount rate of 37.5% is $223.14.…

Q: Suppose that Glitter Gulch, a gold mining firm, increased its sales revenues on newly mined gold…

A: (a) as we know sales=real output×price according to question sales increase from $110 million to…

Q: The second year his account balance was $4,520.  The third year his account balance was $ 4, 882.

A:

Q: A car's that sells normally for $20000 is on sale for $16 000. What percent of the original price is…

A: Given: Normal Price=20,000  dollarsDiscounted Price=16,000  dollars

Q: In a certain region, the number of highway accidents increased by 20% over a four year period. How…

A: In 2002, the number of accidents were 5120.To find the number of accidents in 2006

Q: What is the selling price of a $10 item after a 50% markup?

A: We want to find selling price of given item.

Q: If you earn $2950 per month and you expect your earnings to increase by 3.6% per year, how much do…

A:

Q: d. Suppose the company wanted to give raises to the employees who were in the lowest 20% salaries at…

A: Z = x-μσ~N(0,1) NORMSINV() -----------Excel function

Q: A friend has an IRA with an APR of 3%. She started the IRA at age 30 and deposits $125 per month.…

A: Use the formula of future value to determine the value of IRA.

Q: What rate will it effect, if the principal of P12,555 earns interest of P5,500 in 2 years and 8…

A: topic - interest calculation

Q: The fair market rental rate for Bloomington is $747 and for Kokomo is $654. The relative change from…

A:

Q: Suppose Sam makes $75,000 a year while Willie makes $6,500 per month.  Who makes more money per…

A:

Q: 13. Le Plume offers a fountain pen for $21.95. If the pens costs $180 per dozen, find (a) the markup…

A: the amount added to the cost price of goods to cover overheads and profit is called markup`

Q: You purchase a mutual fund at an offer price of $15.79 per share. If the net asset value is $15.26,…

A: Given that: Net asset value of share = $15.26Cost of share = $15.79

Q: a) What percent of the total does "rent" represent in this graph? b) If his total expenses were…

A:

Q: A bookshop has a sale with an additional 40​% off the regular 1/2 price of their books. What…

A:

Q: A store has clearance items that have been marked down by 35%. They are having a sale, advertising…

A: Solution:

Q: Supriya invested $14,320 in a highly rated ETF. At the end of four years, she had $18,434. What was…

A: Principal = $ 14,320, Amount = $ 18,434, Time = 4 years Here n=1, because annual yield is to be…

Q: Brooke invested 40% of her money in mutual funds, 30% in real estate, and 30% in stocks. If the…

A: Question is solved.

Q: A pair of jeans that costs $100 goes on sale and is discounted $40. What is the discount rate d (in…

A: Original price= $100 Discount amount= $40. We have to find the percentage of $40 in $100.

Q: You borrow $4,000 for one year from a friend at an interest rate of 1.5% per month instead of taking…

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.