Question: a. Given the standard normal distribution, what is the probability that: i. Z is between 21.57 and 1.84? ii. Z is less than 21.57 or

a. Given the standard normal distribution, what is the probability that:

i. Z is between 21.57 and 1.84?

ii. Z is less than 21.57 or greater than 1.84?

b. What is the value of Z if only 2.5% of all possible Z values are larger?

c. Between which two values of Z (symmetrically distributed around the mean) will 68.26% of all possible Z values be contained?

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