Question
In: Statistics and Probability
The chart is here. file:///C:/Users/tyler/Downloads/Standard%20Normal%20Table%20(1).pdf 1. Find the area under the normal curve that is: greater than...
The chart is here. file:///C:/Users/tyler/Downloads/Standard%20Normal%20Table%20(1).pdf
1. Find the area under the normal curve that is: greater than Z = 0.64
2. Find the area under the normal curve that is: below Z = -1.53
3. Find the area under the normal curve that is: greater than Z = -1.89
4. Find the area under the normal curve that is: below Z = 2.27
5. Find the area under the normal curve that lies between: Z = 0.00 and Z = 0.85
6. Find the area under the normal curve that lies between: Z = -1.53 and Z = 0.00
7. Find the area under the normal curve that lies between: Z = -0.18 and Z = 0.29
8. Find the area under the normal curve that lies between: Z = 0.27 and 1.83
9. Find the area under the normal curve that lies outside: Z = 0.00 and Z = 2.85
10. Find the area under the normal curve that lies outside: Z = -0.63 and Z = 0.00
11. Find the area under the normal curve that lies outside: Z = -2.28 and Z = 0.18
12. Find the area under the normal curve that lies outside: Z = 1.21 and 1.71
Be sure to note for questions 13-16, you do not need the mean or standard deviation to find the Z-score.
13. Find the Z-score that describes the following proportions under the normal curve (within 0.01 points): Top 38% of scores
14. Find the Z-score that describes the following proportions under the normal curve (within 0.01 points): Bottom 15% of scores
15. Find the Z-score that describes the following proportions under the normal curve (within 0.01 points): Top 65% of scores (be careful!)
16. Find the Z-score that describes the following proportions under the normal curve (within 0.01 points): Middle 30% of scores (around the mean of Z=0)
1. Find the area under the normal curve that is: greater than Z = 0.64
2. Find the area under the normal curve that is: below Z = -1.53
3. Find the area under the normal curve that is: greater than Z = -1.89
4. Find the area under the normal curve that is: below Z = 2.27
5. Find the area under the normal curve that lies between: Z = 0.00 and Z = 0.85
6. Find the area under the normal curve that lies between: Z = -1.53 and Z = 0.00
7. Find the area under the normal curve that lies between: Z = -0.18 and Z = 0.29
8. Find the area under the normal curve that lies between: Z = 0.27 and 1.83
9. Find the area under the normal curve that lies outside: Z = 0.00 and Z = 2.85
10. Find the area under the normal curve that lies outside: Z = -0.63 and Z = 0.00
11. Find the area under the normal curve that lies outside: Z = -2.28 and Z = 0.18
12. Find the area under the normal curve that lies outside: Z = 1.21 and 1.71
Be sure to note for questions 13-16, you do not need the mean or standard deviation to find the Z-score.
13. Find the Z-score that describes the following proportions under the normal curve (within 0.01 points): Top 38% of scores
14. Find the Z-score that describes the following proportions under the normal curve (within 0.01 points): Bottom 15% of scores
15. Find the Z-score that describes the following proportions under the normal curve (within 0.01 points): Top 65% of scores (be careful!)
16. Find the Z-score that describes the following proportions under the normal curve (within 0.01 points): Middle 30% of scores (around the mean of Z=0)
Solutions
Expert Solution
1. The area under the normal curve that is: greater than Z = 0.64
= 0.2611
2. Find the area under the normal curve that is: below Z = -1.53
= 0.0630
3. Find the area under the normal curve that is: greater than Z = -1.89
= 0.9706
4. Find the area under the normal curve that is: below Z = 2.27
= 0.9884
5. Find the area under the normal curve that lies between: Z = 0.00 and Z = 0.85
= 0.3023
6. Find the area under the normal curve that lies between: Z = -1.53 and Z = 0.00
= 0.4370
7. Find the area under the normal curve that lies between: Z = -0.18 and Z = 0.29
= 0.1855
8. Find the area under the normal curve that lies between: Z = 0.27 and 1.83
= 0.3600
9. Find the area under the normal curve that lies outside: Z = 0.00 and Z = 2.85
= 0.4978
10. Find the area under the normal curve that lies outside: Z = -0.63 and Z = 0.00
= 0.7643
11. Find the area under the normal curve that lies outside: Z = -2.28 and Z = 0.18
= 0.4399
12. Find the area under the normal curve that lies outside: Z = 1.21 and 1.71
= 0.9305
13. Find the Z-score that describes the following proportions under the normal curve (within 0.01 points): Top 38% of scores
= the z score at 38% ( 1 - 0.38) = 0.62 is,
z = 0.31
14. Find the Z-score that describes the following proportions under the normal curve (within 0.01 points): Bottom 15% of scores
= z score at p value = 0.15 is
= z = -1.04
15. Find the Z-score that describes the following proportions under the normal curve (within 0.01 points): Top 65% of scores (be careful!)
= z score at p value = 1 - 0.65 = 0.35 is,
= z = -0.39
16. Find the Z-score that describes the following proportions under the normal curve (within 0.01 points): Middle 30% of scores (around the mean of Z=0)
The z score that corresponds to the p values 35 and 65 is ±0.39
orchestra answered 1 year agoRelated Solutions
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