Mathematics, 19.01.2021 19:20 sandrahg3

A fourth grade teacher gives homework every night in both mathematics and language arts. The time to complete the mathematics homework has a mean of 10 minutes and a standard deviation of 3 minutes. The time to complete the language arts assignment has a mean of 12 minutes and a standard deviation of 4 minutes. The time to complete the mathematics and the time to complete the language arts homework has a correlation p = -0.75. The standard deviation of the time to complete the entire homework assignment is:. a. 25 minutes.
b. 5 minutes.
c. 3 minutes.

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 18:50

Determine if the function below is continuous. a. continuous b. not continuous, 1 hole c. not continuous, > 2 holes d. not continuous, 2 holes

Answers: 1

Answer

Mathematics, 21.06.2019 21:30

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.

Answers: 2

Answer

Mathematics, 21.06.2019 23:10

Given the median qr and trapezoid mnpo what is the value of x?

Answers: 3

Answer

Mathematics, 22.06.2019 00:20

In the next 10 years, how do you think hipaa guidelines will affect the roles, responsibilities and tools of a medical transcriptionist

Answers: 1

Answer

You know the right answer?

A fourth grade teacher gives homework every night in both mathematics and language arts. The time to...

Questions

Biology, 08.10.2019 23:00

What is the range for the following set of measurements? 27°c, 12°c, 31°c, 19°c, 23°c, 11°c 17°c weg en ser ie o a. 27°...

History, 08.10.2019 23:00

Which system of government did the constitution create in the united states a. confederation b. parliamentary c. federation d. limited monarchy...

Mathematics, 08.10.2019 23:00

What are the slope and y-intercept of the linear function graphed to the left? tn slope: -2, y-intercept: 2 slope: - 1 y-i...

Advanced Placement (AP), 08.10.2019 23:00

When starting an automobile insurance plan, there are many factors that will determine the premium paid by the policyholder. part one: w...

Biology, 08.10.2019 23:00

Increasing demands on what resources come with a growing human population?...

Social Studies, 08.10.2019 23:00

The federalists and anti-federalists argued primarily over which issue? a) the political representation of southern slaves b) fair state repres...

Mathematics, 08.10.2019 23:00

What is the surface area of the figure? composite figure composed of a two rectangular prisms right aligned and stacked on each other. th...

History, 08.10.2019 23:00

History is explored using a variety of sources, large and small. some sources, such as letters, books, and newspapers, can be read. others can be seen...

Arts, 08.10.2019 23:00

What are flwright's "8 points"?...

History, 08.10.2019 23:00

Why did adolf hitler gain power of the failing economy if the weimer republic?...

English, 08.10.2019 23:00

4. reread lines 175–185. you can infer that the green chapel a. exists only in the mind of the green knight b. will be as myst...

Business, 08.10.2019 23:00

Is it against the law to require a student to pay their own money to go on a trip that will affect grade?...

Physics, 08.10.2019 23:00

If we increase the distance traveled over the same period of time this will (2 points) decrease the speed. increase the speed. decre...

English, 08.10.2019 23:00

From the count of monte cristo, by alexandre dumas (note: the character, dantes, is a nineteen year old shipmate whose dying captain gave...

Computers and Technology, 08.10.2019 23:00

1. in the context of systems development, which of the following most closely matches the definition of a requirement? (a)the guidelines to be...

History, 08.10.2019 23:00

What was the main effect of the 1763 treaty of paris a. france gained more canadian territories. b. spain lost all its holdings in north a...

Physics, 08.10.2019 23:00

The grains found in igneous rock: a. are cemented together c. are large b. form an interlocking texture d. will display in...

Mathematics, 08.10.2019 23:00

2. shania bought a $1,455 drum set on the installment plan, the law oy on down payment and 18 monthly payments of $80.78 each. a. how much...

Mathematics, 08.10.2019 23:00

Identifying irrational and rational...

Biology, 08.10.2019 23:00

Agroup of marine scientists introduced a species of fish into an artificial habitat and wanted to determine if it will grow well in the new environmen...

More questions: Mathematics Another questions