Plss answer this properly THI'S ONLY FEW PLEASE...THANK YOU!! (And plss if you attached files/images plss make sure it is clear not blurry

Write the letter of the correct answer on the space pro CAPITAL LETTER ONLY. 1. What is the total area under the normal curve? b. 1 C. 2 a Q 2. What does the area under the normal curve represents? a. percentage b. mean C. standard deviation 3. The curve of the normal distribution is a. bell-shaped b. heart-shaped c. ellipse shaped 4. Where does the mean, median and mode of the graph of a normal distribution coincide? a, left side b. center c. right side 5. It is a normal probability distribution that has a mean value equal to O and standard deviation equal to 1. a. probability distribution c. standard normal curve . continuous distribution 6. It means approaching a value or a curve closely but never touching it. asymptotic b. symmetrical c. skewness 7. It means drawing conclusions in the presence of uncertainty a. skewness b. inferences c. deviation 8, A condition that is different from what is usual or expected. a skewness b. percentile c. deviation 9. A mathematical table that allows us to know the percentage of values below (to the left) a z-score in a standard normal distribution (SND) a. z table b. t table c. f table 10. Using the z table at the back of this paper, what is the area that corresponds to z = 1.017 a. 0.3413 b. 0.3438 c. 0.3665 1 1. What is the area between 2 = -2 and z = 27 a. 0.95 b. 0.96 c. 0.9544 12. What is the area that corresponds to z = - 1. 567 a. 0.44 b. 0.45 c. 0.4406 13. What is the proportion of the area between z = 2 and > = 1? a. 0.0027 b. 0.0072 c. 0.3413 14. Which symbols represents the population mean? a. LA b. g C. Z 15. Using the formula z = (X -p)/a, what is the equivalent z - score of 45 with the mean of 67 and standard deviation of 87 3. -2.75 c. - 3.27 c. 2.75 16. A farmer recorded that this past 2020, he only gained a mean u = 20, and the standard deviation o = 5 sacks of rice in each hectare due to the typhoon. If he assumed that he had less sacks of rice equivalent to -1.6, how many sacks will it be? a. 10 b. 11 C. 12 17. Find the upper 20% of the normal curve. a. above z = 0.84 b. below z = 0.84 c. at z = 0.84 18. The results of the National Achievement Test in Mathematics are normally distributed with u = 75 and o = 10. What is the percentile rank of the score 887 a. 90.32 % b. 91.32 % C 91 % 19. Which of the following is the symbol for standard deviation? a. H b. o 20. The curve is symmetrical to which of the following? a. variance b. standard deviation C. mean