1)The records for all trains scheduled to depart from the opera house train station last year showed that the average delay for these trains was 12.7 minutes, 17.1% of the trains had been delayed and 15 trains had been cancelled. Maria is a traffic engineer helping the Opera house station improve its performance. She audited a random group of 50 records of trains scheduled to depart from the Opera House station last year. In her group the trains were late an average of 21.3 minutes, 32% Identify the following: a. Population b. Sample Choose whether each number described below is a parameter or a statistic for Maria's audit C. Number The 17.1 % of all trains scheduled to depart from the Opera House station last year that were late The 21.3 minute average delay among the random group audited by Maria The 2 cancelled trains among the random group audited by Maria Parameter Statistic

Q: You and your bus business. The rer much of the total ca

A: Given 12, 13  capital given by friends  remaining was given bank How much of total income given by…

Q: monthly pa

A:

Q: Over the past 40 years, the cost of gas has increased by by 400%. If gas currently costs $3.89 per…

A:

Q: dh and simplify it. Use this equation to explain why the drain rate h' (t) cannot be a dt (c) Solve…

A:

Q: The Colorado soccer league has set a budget of $1,972 for soccer balls. High-quality game balls cost…

A: let  high quality balls is   x let lower quality balls is  y given budget is $1972

Q: Uprising, Pietro stated that Bella would make $4.00 per week working at the Triangle Shirtwaist…

A: Given query is to find the amount made per hour.

Q: 5 and a half pounds of chocolate chip cookies are to be packed into bags each of which holds a third…

A: Given: Total chocolate chip cookies are 512 lb Each bag can hold 13 lb

Q: Define f: R → R by f(x) = x 2 + x + 1. What is f[R]? What is f[R +]?

A: Kindly refer to Step 2 for the solution.

Q: At extra credit union, the chequing account costs either $5 a month plus $0.10 per debit transaction…

A: At extra credit union, the chequing account costs either $5 a month plus $0.10 per debit transaction…

Q: Jesaki Express, a national package delivery service, charges a base price for overnight delivery of…

A: Given that,The service charges a base price for overnight delivery ofpackages weighing 1 pounds or…

Q: An apartment annual lease is 550 per month (requiring a full-year stay). A monthly lease is 700 per…

A: Annual lease is 550 per month. Therefore total cost for 12 months is, A monthly lease is 700 per…

Q: The bus fare in a city is $1.50. People who use the bus have the option of purchasing a monthly…

A:

Q: Forty men working on a construction job had completed one-third of the job in the past 15 days. The…

A:

Q: The cost of a rental car for a two-week 1,600–kilometer trip across northern Spain is $378. The cost…

A: If x items cost $y , then using the unitary method, it can be written that 1 item costs $yx.

Q: Rahim works in a hotel on hourly basis. He is paid $8 per hour, his normal working hours are 4 hours…

A: Given: Rahim works in a hotel on hourly basis. He is paid $8 per hour, his normal working hours are…

Q: A taxi charges $3.50 for up to and including the first mile, and $1.40 for each mile thereafter.…

A:

Q: A campus student group is raising funds for charity by selling cups of boba tea. The expenses…

A: A campus student group is raising funds for charity by selling cups of boba tea. The expenses…

Q: Sydney is a waitress at a restaurant. Each day she works, Sydney will make a guaranteed wage of $25,…

A: This question related to algebraic equations.

Q: Santos has a poultry farm in General Santos City. Every week, he earns 593,840 for chicken and…

A: The price for which an article is bought is called its cost price. The price at which an article is…

Q: Shannon grossed $725 one week by working 52 hours. Her employer paystime-and-a-half for all hours…

A: To find Shannon's regular hourly wage

Q: Ryan will spend at most $40 on gifts. So far, he has spent $22.What are the possible additional…

A: A detailed solution is given below.

Q: Your school supply list includes two notebooks that cost $3 each, six plastic folders that cost $2…

A: Add all costs

Q: The salary schedule for an engineering assistant is $2200 for the first month and a $150-per-month…

A: