subject

Engineering, 16.04.2020 00:56 EmmaPreston43

Which of the following statements concerning the standard deviation are correct? (a) The standard deviation measures the volatility of a security’s returns. (b) The standard deviation can be negative, positive, or equal to zero. (c) The 95 percent probability range is equal to the mean plus or minus two standard deviations. (d) The lower the standard deviation, the lower the level of risk.

ansver

Answers: 2

Show answers

Another question on Engineering

question

Engineering, 04.07.2019 18:10

Aturning operation is performed with following conditions: rake angle of 12°, a feed of 0.35 mm/rev, and a depth of cut of 1.1 mm. the work piece is aluminum alloy 6061 with t6 heat treatment (a16061-t6). the resultant chip thickness was measured to be 1.0 mm. estimate the cutting force, fc. use shear stress of 207 mpa and coefficient of friction on the tool face of 0.6.

Answers: 1

question

Engineering, 04.07.2019 18:20

Aquick transition of the operating speed of a shaft from its critical speed will whirl amplitude. (a) increase (b) limit (c) not affect (d) zero

Answers: 2

question

Engineering, 04.07.2019 18:20

Modern high speed trains do not have perpendicular expansion gaps where rails are joined end-to-end any more they are mostly welded together but what might happen if there was a spell of particularly hot weather that causes inspection of the tracks?

Answers: 1

question

Engineering, 04.07.2019 19:10

What is the chief metrological difference between measuring with a microscope and with an electronic comparator? a. the microscope is limited to small workpieces.a. the microscope is limited to small workpieces. c. the comparator can only examine one point on the workpiece. d. the microscope carries its own standard.

Answers: 1

You know the right answer?

Which of the following statements concerning the standard deviation are correct? (a) The standard de...

Questions

question

Mathematics, 26.07.2019 07:00

The coordinate grid shows the plot of four equations. which set of equations has (2, 2) as its solution? a and d b and d a and c b and c

question

Biology, 26.07.2019 07:00

When you press on the gums, release the pressure, and then measure the time it takes for the gums to return to the starting color, you're checking...

question

Chemistry, 26.07.2019 07:00

Sophia has a widow’s peak. the w represents the dominant allele and the w represents the recessive allele. which genotype does sophia most likely have...

question

History, 26.07.2019 07:00

What did king george 3 do to the colonists after the boston tea party...

question

Biology, 26.07.2019 07:00

What are white blood cells disorders...

question

Mathematics, 26.07.2019 07:00

What is the square root of 98 what is the square root of y to the 6th what is the square root of a to the 7th what is the square root of 12x^3y^2 what...

question

Mathematics, 26.07.2019 07:00

How many numbers are opposite to themselves?...

question

Arts, 26.07.2019 07:00

Experienced users of the bezier tool usually use which technique when tracing an image? a. drawing freehand sketches b. drawing a combination of st...

question

English, 26.07.2019 07:00

Write three to four sentences describing how either manuel or anton responds to the climax of the story. explain what this reaction shows about the ch...

question

Physics, 26.07.2019 07:00

While skateboarding at 19 km/h, alana throws a tennis ball at 11 km/h to her friend oliver. if alana is the reference frame, the speed of the tennis b...

question

English, 26.07.2019 07:00

Match the person with the description. 1) paris 2) zeus 3) athena 4) hermes a) god of the traveler b) telemachus survive the suitors c) odysseus s...

question

Biology, 26.07.2019 07:00

In order to use the balance, an object is placed on the platform. then, the sliders on the beams are moved to indicate the mass in hundreds, tens, and...

question

Mathematics, 26.07.2019 07:00

Brianna just finished a great meal at a restaurant in wisconsin. the sales tax in wisconsin is 5%, and it is customary to leave a tip of 15% for the s...

question

Spanish, 26.07.2019 07:00

Yo bajo y moreno. a. estoy b. soy...

question

Computers and Technology, 26.07.2019 07:00

Computers and internet technology allowed which replaced the paper charts used by hospitals and practitioners for decades. a). computer forensics b)....

question

Chemistry, 26.07.2019 07:00

How did the experiement with boiling water compare with the experiment in which magnesium was added to hydrochloric acid? both resulted in gas format...

question

Mathematics, 26.07.2019 07:00

Find the sum of the given polynomials. 5m + 2n, n - 3m, and 7 - 3n...

question

Biology, 26.07.2019 07:00

If a river originates 200 meters above sea level and travels 400 kilometers to the ocean, what is the average gradient in meters per kilometer? 0.2 m...

question

Arts, 26.07.2019 07:00

How old was mozart when he first composed a musical piece?...

question

Mathematics, 26.07.2019 07:00

Whats the area of a polygon with vertices a(2,3) b(12,3) c(6,0) and d(2,0)...

More questions: Engineering Another questions

Questions on the website: 13722362