1. A student estimated that it would take 3 hours to write a book report, but it actually took her 5 hours. What is the percent error for her estimate?

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: The boxplot below shows salaries for Construction workers and Teachers. Construction Teacher 20 25…

A: Given: For construction workers: First quartile Q1 = $35 thousand Median Q2 = $40 thousand Third…

Q: The average amount of money held by each child in a group of 5 is $0.50.If one of the children loses…

A: Given that: Total number of child = 5Average money held by each child = $0.50

Q: It costs a restaurant operator $3.50 to produce a meatball sandwich. When rounded to the nearest…

A:

Q: 2. Aradar gun measured the speed of a baseball at 103 miles per hour. If the baseball was actually…

A:

Q: If the percent decrease is 25%, what is the common ratio?

A:

Q: John started selling tickets to the matinée and had sold 14 by 7 AM. By 12 noon he had sold 84. What…

A: Tickets sold by 7 AM= 14 Tickets sold by noon=84 To find: Average rate of change

Q: Johnny estimated that the oak tree in his backyard was 16 m tall the actual height of the oak tree…

A: Given data: The measured value is m=16 m. The true value is T=18.75 m.   The expression for the…

Q: 67 70 73 76 79 82 85 Test Scores Use the Empirical Rule to answer the following questions. a. The…

A: A distribution is given. We need to find the mean, standard deviation, percentage of the test…

Q: if you dont show up for the first exam and take a 0%, then average 82% for everything else the rest…

A:

Q: 24- 22- 20- 18- 16- 14 12 10 8. 6- 4. 2- i 2 4 Number of Toppings What is the cost per topping shown…

A: GivenBy graph

Q: What would be the percentage of 20 out of 21 faculty members being funded of a salary totaling…

A: We have to divide 20 by 21 and then multiply by 100 to find percentage

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: In one day, the blower fan of a forced air heating system runs for 9 hours.What percent of the day…

A: Given that in one day that is in 24 hours, the blower fan of a forced air heating system runs for 9…

Q: The distance of Kal’s commute to work was reduced from 20 miles to 16 miles. By what percentage was…

A: Thanks for the question :)And your upvote will be really appreciable ;)

Q: The science club collected bottles for every class in Grade 6 for fund raising project. Section a…

A: The formula for average is Average=Sum of observationsNo. of observations. It is given that section…

Q: What percent of the phones have a battery life less than 5 or greater than 5.5 hours?

A: As per instruction we have to solve part c.

Q: Is the vendor most likely to use estimation, mental math or a calculator to find the amount of…

A: A hotdog vendor receives a Php 50 bill for a Php15. 50 purchase.   To find the amount of change, we…

Q: a case of oranges cost $22.00, contains 88 oranges and weighs 44 pounds. You are serving 60 guests…

A: Given: case of oranges cost $22.00, contains 88 oranges and weighs 44 pounds. You are serving 60…

Q: The amount paid for a particular model car is normally distributed with a mean of $15,300 and a…

A:

Q: Melissa estimated that she would read 240 pages last week. She actually read 300 pages. What is the…

A: Given query is to find the error in Melissa's estimation.

Q: The fraction 3/7 is what percent of 4/7?

A:

Q: The markup over dealer’s cost of a used car ranges from 12% to 18%. If the sticker price is $8800,…

A: Sticker price is $8800. Dealer’s cost of a used car ranges from 12% to 18%. Now when the mark up…