shongxofelizabel shongxofelizabel

10-01-2017
Mathematics

contestada

The mean of a normally distributed dataset is 12, and the standard deviation is 2. what percent of the data points lies between 8 and 16?

Respuesta :

LammettHash LammettHash

10-01-2017

[tex]\mathbb P(8<X<16)=\mathbb P\left(\dfrac{8-12}2<\dfrac{X-12}2<\dfrac{16-12}2\right)=\mathbb P(-2<Z<2)[/tex]

The empirical rule states that approximately [tex]95\%[/tex] of a normal distribution lies within two standard deviations of the mean.

Answer Link

Otras preguntas

Speaker A: The best way to prevent corruption in government is to allow citizens a direct role in the legislative process. Speaker B: Brea

After the Civil War, freedmen in the South had difficulty improving their economic condition because (1) literacy for formerly enslaved persons was

During the early 177os, how did the British government respond to increasing American protests of British colonial policy? (1) It offered self-government

Rachel can make 3 bracelets in an hour. Oliver can make only 2 in an hour, but he already has 5 completed bracelets. Explain to Rachel how she can use a system

Document 2b Thomas R. Dew defended slavery in a debate in the Virginia legislature. According to the census of 1830, there were approximately 470,0

Both the Nuclear Test Ban Treaty of 1963 and the Strategic Arms Limitation Treaty (SALT) of 1972 were attempts to (1) settle boundary disputes in Euro

A superhero flies 285 m from the top of a tall building at an angle of 35◦ below the horizontal. What is the horizontal component of the superhero’s displacemen

Which action was a result of the other three? (1) Germany’s policy of unrestricted submarine warfare (2) United States entry into World War I (

The “clear and present danger” principle stated by the Supreme Court in Schenck v. United States (1919) had the effect of (1) prohibiting the presiden

Document 7a The expiring months of the [James K.] Polk Administration in 1848–49 gave a dark augury [sign] of the storms to come. Congress no sooner