Mathematics, 09.04.2020 17:27 ineedhelp2285

Zane claims that 85% of his contacts have a phone number with a local area code. He has 225 contacts in his phone. He makes 5 samples by randomly choosing 20 contacts and records whether the number has a local area code or non-local area code in the table. Is Zane's claim supported by the data?

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 17:20

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

Answers: 3

Answer

Mathematics, 21.06.2019 21:00

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

Answers: 2

Answer

Mathematics, 21.06.2019 22:30

Tell whether the two rates form a proportion

Answers: 1

Answer

Mathematics, 21.06.2019 23:30

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?

Answers: 3

Answer

You know the right answer?

Zane claims that 85% of his contacts have a phone number with a local area code. He has 225 contacts...

Questions

English, 13.10.2019 10:50

What is a danger of including too many direct quotations from outside sources in your research paper? a. the quotations you use may refut...

Mathematics, 13.10.2019 10:50

Three friends paid 26.25 to see a movie how much did each ticket cost...

Biology, 13.10.2019 10:50

In what ways do humans use diatoms?...

English, 13.10.2019 10:50

98 points this question asks about your independent reading selection. you may use your reading selection to you answer the question.

World Languages, 13.10.2019 10:50

Destaque uma característica surrealista de cada um dos textos. texto - anexado em imagem.

English, 13.10.2019 10:50

Someone summarize this paragraph for !...

History, 13.10.2019 10:50

What action made louis xvi such an unpopular ruler...

English, 13.10.2019 10:50

Passages between one place and another or one activity and another are called? a. routines b. separations c. transitions d....

Mathematics, 13.10.2019 10:50

Two square pyramids have the same volume. for the first pyramid, the side length of the base is 20 in. and the height is 21 in. the second pyramid has...

Mathematics, 13.10.2019 10:50

Arectangular patio is 9 yd 2 ft long and 5 yd 2 ft wide. what is the perimeter of the patio in yards?...

Social Studies, 13.10.2019 10:50

Although an exact count is not available, it is likely that the human brain has as many as a) 10,000 neurons. b) 500,000 neurons. c)...

History, 13.10.2019 10:50

Which of the following best describes the british position towards native americans after the evolutionary war?...

Mathematics, 13.10.2019 10:50

Find the 20th term of an arithmetic sequence with a first term of 3 and a common difference of 5...

Social Studies, 13.10.2019 10:50

Greenland and antarctica are examples of what?i don't know this answer you a. barren regionsb. forestsc. desertificationd. savannas...

Social Studies, 13.10.2019 10:50

To reduce the risk of cancer, the american cancer society recommends all of the following guidelines except a. controlling blood pressure.

Social Studies, 13.10.2019 10:50

What made people so determined to look for fun in the 1920s...

Health, 13.10.2019 10:50

16. the heart-damaging chemical found in the blood that's associated with long-term depression is a. adrenaline. b. endorphins. c. neurotransmitters....

History, 13.10.2019 10:50

How did the romans build on the illegal ideas of the ancient greeks?...

Social Studies, 13.10.2019 10:50

The use of remote sensing technologies, such as satellite images and aerial photography, has allowed geographers to predict where may occur in south...

Mathematics, 13.10.2019 10:50

What is a case-control study?...

More questions: Mathematics Another questions