Can you give more text of the question?
Answer: -0.81
Explanation:
A standard normal random variable simply refers to the normally distributed random variable which has a imean of 0 and also had a standard deviation that has the value of 1.
The standard normal variable can also be represented by the letter Z. For some value of Z, the probability that a standard normal variable is below Z is 0.2090. The value of Z is -0.81.
Traditional skills are an invisible thread to our ancestors and understanding how things are made helps us better understand why we are who we are. Traditional skills are an invisible thread to our ancestors and understanding how things are made helps us better understand why we are who we are.
Learned helplessness is most closely associated with depression and other health challenges.
<h3>What is learned helplessness?</h3>
These are the feelings of distress, anxiety and depression that human beings and animals may experience.
This term was coined by Martin Seligman. He used it as a way of linking depression, PTSD and other health challenges.
Read more on depression here: brainly.com/question/21711771