Question
Find the z -scores corresponding to the given areas under the standard normal distribution bell curve. )The area to the left of z is 15%
Find thez-scores corresponding to the given areas under the standard normal distribution "bell curve".
- )The area to the left ofzis 15%
- )The area to the right ofzis 65%.
- )The area to the left ofzis 10%.
- )The area to the right ofzis 5%.
- )The area between-zandzis 95%.(Hint draw a picture and figure out the area to the left of the -z)
- )The areabetween-zandzis 99%.
Remember,zis distributed as the standard normal distribution with mean= 0 and standard deviation= 1
For parts (a) through (d):Enter answers in decimal form rounded to nearest thousandth (3 places after decimal). Be sure to include sign!Examples of correctly entered answers:
0.000-0.003+0.070+0.100-0.395+1.000
For parts (e) and (f):Enter both answers separated by comma (no spaces).Answers in decimal form rounded to nearest thousandth (3 places after decimal). Be sure to include sign!Examples of correctly entered answers:
-0.003,+0.062-0.093,-0.043-1.323,+1.323
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