A. Use Minitab Express to construct a standard normal distribution to find the proportion of the curve above z = 2.50. Copy+paste your distribution here and clearly identify your final answer. Please show a screenshot of your minitab screen.
B. Use Minitab Express to construct a normal distribution with a mean of 500 and standard deviation of 100 and find the area above x = 750. Copy+paste your distribution here and clearly identify your final answer. Please show a screenshot of your minitab screen.
C. Explain why your answers to A and B are the same.
B-
3- because both have same
z-score.
A. Use Minitab Express to construct a standard normal distribution to find the proportion of the...
a. Construct a standard normal distribution to find the area above z = 1.00. Copy + paste your distribution here and clearly identify your final answer. b. Construct a normal distribution with a mean of 500 and standard deviation of 100 to find the area above x = 600. Copy + paste your distribution here and clearly identify your final answer. c.Explain why your answers to a and b are the same.
Review pages 0.3 and 0.4 in the online notes if you are not familiar with using the equation editors in Word and Canvas. 1. Use the Word Equation Editor to complete the following formulas using the correct symbols here. [10 points] A. Sample standard deviation s= B. z score in a sample z= 2. Go to the discussion board titled “Lab Question 2” and post the formulas for a sample standard deviation and for a z score in a...
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. z < −0.42 z > −1.58 z < 2.12 −0.42 < z < 2.12
Find the proportion of observations of a standard normal distribution that are between the mean and 3.23 standard deviations above the mean. Click here to view page 1 of the table. Click here to view page 2 of the table. % of observations are between the mean and 3.23 standard deviations above the mean. (Round to two decimal places as needed.)
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
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
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
Answer the following questions showing all work. Full credit will not be given to answers without work shown. If you use Minitab Express or StatKey include the appropriate output (copy + paste). If you do hand calculations show your work using the Word equation editor. Clearly identify your final answers. Output without explanation will not receive full credit and answers with no output or explanation will not receive full credit. Round all answers to 3 decimal places. If you have...
standard normal proportions. use table b to find the proportion of
a standard normal distribution that is below -1.42, above 1.42,
below 1.25, between 1.42 and 1.25
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