Answer:
To find the area between z-scores, locate the values of the z-scores in the z-score table then subtract the values.
To find the area to the right or above, locate the value of the z-score then subtract it to 1.
To find the area to the left or below, just locate the value of the z-score and jot it.
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a. Between z = 0 and z = 0.86
z = 0 = 0.5000 z = 0.86 = 0.8051
= 0.8051 - 0.5000
⇒0.3051
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b. Between z = 1.63 and z = 0
z = 1.63 = 0.9484 z = 0 = 0.5000
= 0.9484 - 0.5000
⇒0.4484
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c. To the right of z = 0.55
z = 0.55 = 0.7088
= 1 - 0.7088
⇒0.2912
===========================
d. To the left of z = 0.38
z = 0.38
⇒0.6480
===========================
e. To the left of z = 0.70
z = 0.70
⇒0.7580
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Step-by-step explanation:
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