subject
Mathematics, 28.08.2019 00:00 Lewis5442

The average cost per night of a hotel room in new york city is $273 (smartmoney, march 2009). assume this estimate is based on a sample of 45 hotels and that the sample standard deviation is $65.
a. with 95% confidence, what is the margin of error (to 2 decimals)?
b. what is the 95% confidence interval estimate of the population mean?
note: this is what i got but it is wrong. a. 18.99 b. [254.008, 291.992]

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
What is the fewest number of full weeks briyana would have to work to have enough money? 8 weeks9 weeks 10 weeks11 weeks
Answers: 1
question
Mathematics, 22.06.2019 05:00
Whats four fifths to the first power
Answers: 1
question
Mathematics, 22.06.2019 08:10
Simplify the expression using properties of exponents
Answers: 3
question
Mathematics, 22.06.2019 10:30
Item 22 there were n signers of the declaration of independence. the youngest was edward rutledge, who was x years old. the oldest was benjamin franklin, who was y years old. x is 25% of 104, 7 is 10% of y, and n is 80% of y. y is what percent of (n+y? x)?
Answers: 2
You know the right answer?
The average cost per night of a hotel room in new york city is $273 (smartmoney, march 2009). assume...
Questions
question
Mathematics, 11.01.2021 22:40
question
Mathematics, 11.01.2021 22:40
question
Mathematics, 11.01.2021 22:40
question
Geography, 11.01.2021 22:40
question
Mathematics, 11.01.2021 22:40
question
Mathematics, 11.01.2021 22:40
Questions on the website: 13722361