The weekly mean income of a group of executives is $1,000 and the standard deviation of this group is $100. the distribution is normal. what percent of the executives have an income of $925 or less? group of answer choices

Approximately 23 percent of the executives have an income of $925 or less

Step-by-step explanation:

Given -

Mean income  =  $1,000

Standard deviation = $100

Let X be the income of group of executives

what percent of the executives have an income of $925 or less =

= )

                   =        Put [   ]

                     =     Using Z table      

                    =  .2266

                     =

                     =   (Approximately)

true

explanation:

answer: evaluate the objective function at each vertex to determine which - and -values, if any, maximize or minimize the function. example: find the minimum value and maximum value of the objective function f ( x , y ) = 4 x + 5 y , subject to the following constraints