For a Variable That Has a Standard Normal Distribution

question 7

Essay

For a variable that has a standard normal distribution,
a)What is the probability that z < −1.34?
b)What is the probability that z < +2.56?
c)What is the probability that z is between −1.5 and +1.5.
d)What value of z separates the smaller 5% of the standard normal distribution from the larger 95%?
e)What values of −z and +z separate the middle 90% of the standard normal distribution from the extreme 10%?

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Definitions:

Mother

A female parent who may also play a pivotal role in child-rearing and emotional nurturing.

Aggression

Behavior intended to harm or intimidate others, which can be physically or verbally expressed.

Defense Mechanism

Psychological strategies unconsciously adopted to protect oneself from anxiety by distorting reality and hiding the source of anxiety from themselves.

Sublimation

A defense mechanism where socially unacceptable impulses or idealizations are transformed into socially acceptable actions or behavior.