Question 4 (20 points) 0 of 21 Page 1 saved The area within the normal curve bet

Question

Question 4 (20 points) 0 of 21 Page 1 saved The area within the normal curve between 0 and-1SD (that is between Z#0and z--1) y 6 7 8 9 10 score is above or below the mean is called a The area in the normal curve below-3 SD (that is, below 2e-3) The area within the SD and + 3 SD (that is, between Z-+2 and Z 11 12 13 14 15 +2 1.08.26% 16 17 18 19 20 2, 34, 13% The mean of normal curve when all raw scores have been converted to Z scores The area within the normal ourve between +1 SD and + 2SD (that is, between Z:+1 and Z 3. 0 21 Legend E Saved Response 5. The mode 6. .13% 7. 1359% 8 2.15% Unsaved Response o Info item curve -1 SD and +1 SD (that s, between Z #-1 and 10. 100% standard d of curve when . all raw scores have been converted to Z in a soores o Quiz Started Save

Explanation / Answer

Ans:

1)P(-1<z<0)=P(z<-1)-P(z<0)

=0.8413-0.5

=0.3413 or 34.13%

2)Z score

3)P(z<-3)=0.0013 or 0.13%

4)P(2<z<3)=P(z<3)-P(z<2)=0.9987-0.9772=0.0215 or 2.15%

5)For standard normal z curve,mean=0

6)P(1<z<2)=P(z<2)-P(z<1)=0.9772-0.8413=01359 or 13.59%

7)mean=mode

8)P(-1<z<1)=0.6826 or 68.26%

9)standard deviation is 1

10)100%

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