Question

Given a standardized normal distribution (with a mean of 0 and a standard deviation of 1), complete parts (a) through (d) below. 

 a. What is the probability that Z is between - 1.56 and 1.88? 

 b. What is the probability that Z is less than - 1.56 or greater than 1.88?

 c. What is the value of Z if only 6.5% of all possible Z values are larger?  

 d. Between what two values of Z (symmetrically distributed around the mean) will 99.06% of all possible Z values be contained? 

Answer 1