The following are the properties of normal distribution except * 1 point It is asymmetrical about the center. It is asymptotic to its baseline. Its mean is 0 and standard deviation is 1. Its area is 1. What is the area of z = -1.21?* 1 point 0. 3665 O 0. 3869 O 0.4821 O 0.4826 What is the equivalent z-score of 25th percentile? * 1 point 0.67 1.29 O 0.68 O 1.28What is the area of below z = 2.11? * 1 point 0.4826 O 0.0174 O 0.9826 0. 5174 What is the area between the z-score z = -3.03 and z = 1.32? * 1 point 0.0922 0.4066 0. 4988 0. 9054 For items 6-10. The Diagnostic Test in Statistics and Probability were administered in 1120 Grade 11 students are normally distributed with = 15.32 and o= 3.24. Formula: z=(x-p)/q What is the computed mean of the Diagnostic Test in Statistics and * 1 point Probability? 11.20 O 15.32 3.24 O 11What is the equivalent z-score of score below 12?* 1 point O -1.05 O -1.02 -3.44 -5.11 What is the percentage of the students who got a score of below 12? * 1 point 35.13% O 15.39% O 14.87% 14.92% What is the equivalent z-score of above 15? * 1 point O -0.09 -0.10 -0.11 -0.12How many students get a score of above 15? * 1 pm\" For items 11 - 15. A sample of 50 +3de 11 students' ages was obtained to estimate the mean age of all Grade 11 students. The sample mean is 16.5 years, and the standard deviation is 1.60 at 95% level of condence. Ill'll'hat is the test statistic to he used? * 1 pEIInT Ill'll'hat is the point estimate for the population mean? * 1 pDInT