Use Table A to find the proportion of observations from a standard Normal distribution that satisfies...
2 pts Find the proportion of observations from a standard normal distribution curve that satisfies z-score: -0.1<z< 1.0 Round numerical value to the second decimal place. (Hint: use cumulative standard normal distribution z-table) O 0.62 O 0.38 0.32 O 0.25 O 0.48 0.44 Not enough information to answer the question None of the given numerical values is correct
3. Use Table A to find the proportion of observations from a standard Normal distribution that satisfies each of the following statements. Give your answers to four decimal places. a) zc-0.74-1 b)2 >-0.74 c) z<1.47- d) -0.74 1.47-
Find the proportion of observations from a standard normal distribution curve that satisfies z-score: -0.2<z< 0.6 Round numerical value to the second decimal place, (Hint: use cumulative standard normal distribution z-table) None of the given numerical values is correct 0.41 Not enough information to answer the question 0.38 0.23 0.31 0.16 0.69
14. (3.28) Find the proportion of observations (±0.0001) from a standard Normal distribution that falls in each of the following regions. In each case, sketch a standard Normal curve and sha the area representing the region. (a)z -2.33: (b)-2.33 (c)z 1.55 (d)-2.33 <z<1.55:
Round the correct number of digits! thank you Find the proportion of observations from the standard Normal distribution that are: a) P(Z<-0.12) = b) P(0.41~Z<1.15) - Round to 3 decimal places, Just want final answer, no need to sketch and do NOT convert to percentage.
1. Use Table A to find the proportion of observations from a standard Normal distribution that satisfies each of the following statements. In each case, sketch a standard Normal curve and shade the area under the curve that is the answer to each question. a. z<-1.83 b.z > 2.18 c. Z>-0.51 d. z <0.33 e. 1.42<z <2.68 f.-2 <2<1.53 X is a normally distributed variable with mean u = 30 and standard deviation o = 4. Find the following: a....
normal dist For a standard normal distribution, find: P(z<c) = 0.2424 Find c rounded to two decimal places. Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172 Enter DNE for Does Not Exist, oo for Infinity
Use Table A to find the proportion of observations from a standard Normal distribution that satisfies each of the following statements. In each case, sketch a standard Normal curve and shade the area under the curve that is the answer to the question. 6. What proportion of observations satisfy z < 2.85? Answer to 4 decimal places. Answer 7. What proportion of observations satisfy z > 2.85? Answer to 4 decimal places. Answer 8. What proportion of observations satisfy -1.66...
Use the Normal Table. Use Table A to find the proportion of observations from a standard Normal distribution that satisfies each of the following statements. In each case, sketch a standard Normal curve and shade the area under the curve that is the answer to the question. a) z < −0.32 b) z > −1.56 c) z < 2.04 d) − 0.32 < z < 2.04
2. Find the value of c that satisfies each of the following probabilities for a standard normal random variable 2: (a) p(z <c) = 0.975 (b) p(-c<z<c) = 0.95