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worty [1.4K]
4 years ago
5

Find the z score so that 25% of the standard normal curve lies to the left of z. remember that this means you are looking for th

e area (which means you need to find the 4 digit number in the area portion of table 3 that is closet to 25% ).
Mathematics
1 answer:
marta [7]4 years ago
5 0
This is the concept of probability and statistics, the z-score associated by the probability of 25%  will be obtained using the z-tables, and hence we shall have:
P(x)=25=0.25
thus checking the z-score that gives us the probability of 0.25 we get:
-0.67
the answer is z=-0.67
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