the mean monthly income of trainees at a local mill is 1100 with a standard deviation of 150. find rthe probability that a trainee earns less than 900 a month g

The  probability is  

Step-by-step explanation:

From the question we are told that

   The sample mean is  

    The  standard deviation is  

     The random number value is  x =900

The probability that a trainee earn less than 900 a month is mathematically represented as

Generally the z-value for the normal distribution is mathematically represented as

So From above we have

Now from the z-table

konichiwa~! my name is zalgo and i am here to answer your anime-related question today. more than likely, kirishima would kill izuku, marry mino and kiss momo. all of this would be my opinion by the way. (and i am also a weeb lol)

i hope this you! : d

stay and stay proud! " - zalgo

(and do you think you can mark me as brainliest? i'd greatly appreciate it! arigato~! )

to have more of what you want like money

step-by-step explanation:

save it by not spending on unnecessary stuff and have more