Mathematics, 27.06.2019 01:30 TimothyYash6684

Suppose we want a 90% confidence interval for the average amount spent on entertainment (movies, concerts, dates, etc.) by freshman in their first semester at a large university. the interval is to have a margin of error of $2, and the amount spent has a normal distribution with a standard deviation s = $30. the number of observations required is closest to a) 25. b) 30. c) 609. d) 865.

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 15:00

Answer this question, only if you know the answer. 30 points and brainliest!

Answers: 1

Answer

Mathematics, 21.06.2019 21:00

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

Answers: 1

Answer

Mathematics, 21.06.2019 23:30

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i

Answers: 1

Answer

Mathematics, 22.06.2019 00:00

To convert celsius temperatures to fahrenheit, you can use the expression (c + 32). tom says that another way to write this expression is c + 32. what error did tom make?

Answers: 3

Answer

You know the right answer?

Suppose we want a 90% confidence interval for the average amount spent on entertainment (movies, con...

Questions

Chemistry, 11.07.2019 13:30

(01.01 lc) what part of the scientific method involves drawing inferences about experimental results and determining if the collected data support th...

Geography, 11.07.2019 13:30

What is this location. 13"50'27" s 29"58'02" w -3.780m...

History, 11.07.2019 13:30

Why do brutus and antony speak to the crowd ? a. to explain the reason for caesars death b. to ask for permission to have caesar killed c. to say t...

Mathematics, 11.07.2019 13:30

2. convert 2 liters to gallons use the fact that 1 gal. ≈ 3.8 l a. 22 l ≈ 3.2 gal. b. 22 l ≈ 5.8 gal. c. 22 l ≈ 8.4 gal. d. 22 l ≈ 83.6 gal. i really...

History, 11.07.2019 13:30

The song "for what it's worth" shows conflict between:...

Mathematics, 11.07.2019 13:30

Solve for x. 6x−24=x−2 enter your answer in the box....

Mathematics, 11.07.2019 13:30

Iwill be giving a family is driving 600 miles. assuming they stop to get gas 3 times and eat 2 times, how many hours will it take them to reach their...

History, 11.07.2019 13:30

Adelegate proposes amending the articles of confederation. how many states would have to agree in order for the amendment to pass? a simple majority...

Physics, 11.07.2019 13:30

The lamborghini murcielago can accelerate from 0.0 to 27.8m/s in a time of 3.40s. what is the lamborghini acceleration?...

History, 11.07.2019 13:30

Before the us capital was in washington, dc, where was it? a. charlestown b. philadelphia c. albany d. new york city...

English, 11.07.2019 13:30

In the beginning of "the world on turtle's back," why did the husband become "terrified"? he was terrified the he might never see his wife again. he...

Mathematics, 11.07.2019 13:30

An equation was created for the line of best fit from actual enrollment data. it was used to predict the dance studio enrollment values shown in the t...

Mathematics, 11.07.2019 13:30

1.) which numbers are 4 units from −2 on this number line? drag and drop all the numbers that are 4 units from −2 to their correct position on the nu...

English, 11.07.2019 13:30

What is one of the faults of imperialism that becomes clear in heart of darkness?...

History, 11.07.2019 13:30

What is the european intellectual movement of the seventeenth and eighteenth centuries that applied reason to the social and political world? a) glori...

History, 11.07.2019 13:30

Rabia does not currently have a job, but declined a job offer because she feels her skills merit better pay and a better position. which terms can be...

Social Studies, 11.07.2019 13:30

It's shorter than the rest, but when you're happy, you raise it up like it's the best. what is it?...

English, 11.07.2019 13:30

Which two sentences in this passage describe jessica's good academic habits? [since an important test was coming up, jessica and her friends made pla...

Biology, 11.07.2019 13:30

Where does the sunlit zone change to the twilight zone in the ocean?...

Mathematics, 11.07.2019 13:30

8=-2(z+7) [solving linear equations ]...

More questions: Mathematics Another questions