subject
Mathematics, 28.05.2020 01:03 sissygirl0807

In a sample of 330 randomly selected PCC students it was found that 175 of them have a car. Assume this sample comes from a population that is normally distributed. a. Calculate the EBP then construct a 95% confidence interval estimate of the percentage of PCC students have a car (round the values of the interval to three decimal places). b. Based on your confidence interval, can we conclude that most students at PCC own a car?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 14:00
Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200
Answers: 2
question
Mathematics, 21.06.2019 17:00
You and three friends will be going out to eat at your favorite restaurant! each of you will order three items of your choice. you will also need to leave a tip. if you split the bill evenly among all four of you, how much will each person need to contribute? locate a menu for your favorite restaurant and pick three items for yourself and each friend. list the restaurant name, items, and prices in a table like the one below. in the column labeled subtotal, determine the cost of each person’s order. the customary tip is 20% of the total bill. in the column labeled tip, calculate the amount of tip each person should leave. in the column labeled total bill, determine the total of each person’s order, including the tip. restaurant name: names item 1 price item 2 price item 3 price subtotal tip total bill your name friend #1 friend #2 friend #3 part 2: questions answer the following questions, showing all work: what is the total cost of the entire bill (all four meals), including tip? write an expression using fractions to show how to determine the amount that each person will pay. then calculate each person's contributions showing all steps in long division. if each person paid an equal amount, who would save the most money? explain your reasoning using at least two complete sentences.
Answers: 2
question
Mathematics, 21.06.2019 18:00
Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =
Answers: 2
question
Mathematics, 21.06.2019 19:50
Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?
Answers: 1
You know the right answer?
In a sample of 330 randomly selected PCC students it was found that 175 of them have a car. Assume t...
Questions
question
Mathematics, 14.11.2021 22:50
question
Physics, 14.11.2021 22:50
question
Mathematics, 14.11.2021 22:50
question
Mathematics, 14.11.2021 22:50
question
Mathematics, 14.11.2021 22:50
question
Biology, 14.11.2021 22:50
question
Physics, 14.11.2021 22:50
question
Social Studies, 14.11.2021 22:50
question
Spanish, 14.11.2021 22:50
Questions on the website: 13722360