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Find the area under the standard normal distribution curve to the right ofz = –1.27.

2 Answers

4 votes

Answer: Determine the area under the standard normal curve that lies between Z=-1.27 and Z=0.58

Explanation:

User Nyarian
by
5.4k points
5 votes

hello

to solve this question, we need to use a standard normal table (z)

out z-value give = -1.27

this is equivalent to 0.4032

note, i approximated 1.27 to 1.3 and the z-value for -1.3 = 0.4032

to compensated tp the other side of the graph, we should add 0.5 to 0.4032


0.4032+0.5=0.9032

the area under z = -1.27 is equal to 0.9032 square units or 90.32%

User Colin White
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5.1k points