subject

Mathematics, 25.11.2020 02:30 P4thing

A researcher wishes to estimate within $5 the average repair cost of for a refrigerator. If she wishes to be 90% confident, how large of a sample would be necessary if the population standard deviation is $15.50?

ansver

Answers: 1

Show answers

Another question on Mathematics

question

Mathematics, 20.06.2019 18:04

Achel bought 12 rolls of packing tape and paid a total of $33.60. kevin also bought rolls of packing tape. the table shows the total amount he is paid for different numbers of packing tape. number of rolls of packing tape total amount paid 2 $6.40 5 $16.00 8 $25.60 how do the unit rates compare? select from the drop-down menus to correctly complete the statement. rachel's unit rate is than kevin's because is greater than .

Answers: 3

question

Mathematics, 21.06.2019 17:30

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Answers: 1

question

Mathematics, 21.06.2019 17:30

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

Answers: 2

question

Mathematics, 21.06.2019 18:00

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Answers: 1

You know the right answer?

A researcher wishes to estimate within $5 the average repair cost of for a refrigerator. If she wish...

Questions

question

History, 10.03.2020 16:58

Which was one of the economic problems that the United States was facing during the 1790s? A. The federal and state governments needed to...

question

Business, 10.03.2020 16:58

Under state law, Acme may pay 3% of eligible gross wages or it may reimburse the state directly for actual unemployment claims. Acme believes that act...

question

Chemistry, 10.03.2020 16:58

Consider the following reaction between calcium oxide and carbon dioxide: CaO(s)+CO2(g)→CaCO3(s) A chemist allows 14.4 g of CaO and 13.8 g of CO2 to r...

question

English, 10.03.2020 16:58

Which piece of evidence would best support reason #2? Animal research is extremely costly, so it is in the best financial interest of scientists to pu...

question

Chemistry, 10.03.2020 16:58

The compound chloral hydrate, known in detective stories as knockout drops, is composed of 14.52% C, 1.83% H, 64.30% Cl, and 19.35% O by mass and has...

question

English, 10.03.2020 16:58

Critics disagree about whether Hedda Gabler is a character study or a tragedy. In your view, is Hedda a victim of society, a selfish manipulator...

question

Biology, 10.03.2020 16:58

are enzyme used during replication to attach okazaki fragments to each other....

question

Mathematics, 10.03.2020 16:58

Which of the following is TRUE of the correlation coefficient r ? Multiplying all data values (x’s and y’s) by 20 will have no impact on...

question

English, 10.03.2020 16:58

How does third-person omniscient point of view develop theme in The Secret Garden? The point of view doesn’t affect the theme, because only Mary’s tho...

question

History, 10.03.2020 16:58

The Byzantine emperors d. The Roman Catholic Church Source: Guide to the Essentials, Prentice Hall 3. Based on the map to the left,...

question

Biology, 10.03.2020 16:58

A male cardinal’s red color is an example of a trait affected by natural selection. The females of the species choose mates based on the vibrant color...

question

Mathematics, 10.03.2020 16:58

Reserve ratio is 0.12 (12%), the desired excess reserve-to-deposit ratio is 0.03 (3%), and the desired currency-to-deposit ratio is 0.35 (35%), what i...

question

Business, 10.03.2020 16:58

The government of Semput plans the goods and services that Semput produces, the quantity of goods produced, and the prices at which goods are sold. Se...

question

Social Studies, 10.03.2020 16:58

When conducting training on how to use a new copier, Ben begins by teaching trainees how to reduce and collate copies. What problems do you see with h...

question

Physics, 10.03.2020 16:58

A. What proportion of resistors have resistances less than 90 Ω? b. Find the mean resistance. c. Find the standard deviation of the resistances. d. Fi...

question

Biology, 10.03.2020 16:58

During which phase of the cell cycle are chromosomes replicated?...

question

Social Studies, 10.03.2020 16:58

Jazmine is an officer of New Stage, a theater production company. Without telling any other officers or the board of directors, she decides that New S...

question

Social Studies, 10.03.2020 16:58

Kiana was given a list of words as part of a memory test that included: "dog, pail, and hate." Later, she recalled these words as: "dig, paint, and ha...

question

Health, 10.03.2020 16:58

Which stranger is used by public health reduce the incidence of measles...

question

Mathematics, 10.03.2020 16:58

Which digit in the following number is one that determines its precision? 34.867...

More questions: Mathematics Another questions