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)

let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.