Given M = 120, σ = 5.6
P (117.4 <x<120)
P (" 117.4-120 5.6 < X-M 120-120 5.6
P(-0.46 < 220)
= 0.5= P(-0.46 <2)
= 0.5 0.3212
0.1788
The standard deviation is 0.1788
Standards contain technical specifications or other precise criteria intended to be used consistently as rules, guidelines, or definitions. They make life easier and help increase the reliability and effectiveness of many of the products and services we use. . Most state regulations require drivers to have liability insurance and stipulate the exact amount of coverage required.
Standard definitions are established as a basis for rules, examples, or comparisons. An example of a standard is a policy governing what 7th graders must learn. An example of a standard is music that has been played many times over the years.
Learn more about standards here
https://brainly.com/question/19169731
#SPJ4
