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21 Answered Questions for the topic Statics

Statics Math Probability

9d

Consider the following data on the diameter of a rivet. Assume a normal population.

Consider the following data on the diameter of a rivet. Assume a normal population. 6.68 6.66 6.62 6.72 6.76 6.67 6.70 6.72 6.78 6.66 6.76 6.72 6.76 6.70 6.76 6.76 6.74 6.74 6.81 6.66 6.64 a)... more
Statics Math Physics

20d

Statics question about inclined friction

A body of weight (W) is placed on a rough inclined plane makes with the horizontal an angle of measure θ and the force of magnitude (W) acts on it in direction of the line of greatest slope of the... more
Statics Math Physics

22d

Statics question about friction on inclined

A body of weight (W) is placed on a rough inclined plane makes with the horizontal an angle of measure θ and the force of magnitude (W) acts on it in direction of the line of greatest slope of the... more
Statics Math Physics

24d

statics question?!

A body is placed on an inclined rough plane and it was about to slide. When the inclination angle to the horizontal is increased, the body moved downward , then the friction force at this moment... more
Statics Math

10/28/20

The failure tensile load for a steel wire 1.0mm in diameter is 540N. What is the failure tensile stress?

Please include equations/ work to further my understanding.
Statics Physics

10/23/20

How high above floor can force P act so crate moves without tipping?

crate is 2 ft wide, has a weight of 200 lb. coefficient of static friction is 0.35
Statics Math Statistics

07/07/20

Statistic worksheet

1.     Of a random sample of 198 marketing students 98 rated a case of resume inflation as unethical.Based on this information, a statistician computed for the population proportion a confidence... more
Statics Statistics

06/20/20

what is the probability that at least one then=m has been vaccinate?

in a large population, 52% of the people have been vaccinated. if 5 people are randomly selected, what is the probability that at least one of them has been vaccinate?

05/01/20

Maximum deflection of a beam

Imagine having a equation of a beam as follows and we have to solve this for x. Note that the [] square brackets denote terms involving Macaulay's notation.How do we solve for x when Macaulay's... more
Statics Math Statistics

04/14/20

statistics help

Assume that when adults with smartphones are randomly​ selected, 49​% use them in meetings or classes. If 7 adult smartphone users are randomly​ selected, find the probability that at least 5 of... more
Statics Physics

04/09/20

Wind Sculpture (Involves statics, frequency)

Your friend, an artist, has been thinking about an interesting way to display a new wind sculpture she has just created. In order to create an aural as well as visual effect, she would like to use ... more

03/03/20

The following data are from a repeated-measures study examining the effect of treatment by measuring a group of n=6 participants before and after they receive a treatment.

Participants Before Treatment: A7, B2, C4, D5, E5, F3Participants After Treatment: A8, B9, C6, D7, E6, F8a. Calculate the difference scores and Md . b. Compute SS, sample variance, and estimated... more

Deflection/stress/torque in a horizontal crane

I made a google drive link to the problem (as I cannot paste images on here): https://drive.google.com/file/d/1r9vwwLlm0KNfPZJfgtfgu6KW6wBKw9Ym/view?usp=sharingHow would you set up this problem? If... more
Statics Physics

01/14/20

Static Equilibrium Question

Question Description:Three cables are connected at a central point B. The first cable runs from point A to point B at an angle 50˚ above the horizontal. Another cable runs from point B to point... more

01/04/20

Building a bride out of cardboard, straws and string

​Hey, I have an assignment in my physics class where I have to build a bridge out of: a 20cm x 8cm piece of cardboard, 10 straws, And 3 meters of string. How it works:The bridge will be placed on 2... more
Statics Math Statistics

10/23/19

Chi Square Test.

A quality control manager regularly samples 20 items from a production line and records the number of defective items x. The results of 100 such samples are given in Table 1 below.x: 0, 1, 2 ,3, 4... more
Statics Math Statistics

08/27/19

Probability of several consecutive drawn random samples of a standard normal distribution exceeding certain value.

Hi,I have trouble figuring out the following:I have a standard normal distribution (µ = 0, σ² = 1) and now, as an example, draw 3 random independent samples.What is the chance, that the sum of... more
Statics

04/12/19

Math statistic work

A survey indicates that 40% of women in U.S. consider reading their favorite leisure - time activity. You randomly select 10 U.S. women And ask them is reading their favorite leisure- time... more
Statics Sat Math

02/27/19

chebyshev theorem

Americans spend an average of 3 hours per day online. If the standard deviation is 31 minutes, find the range in which at least 88.89% of the data will lie. Use Chebyshev’s theorem.... more

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