Homework Answers
Z score against the given proportion or probability can be
directly determine using z table or using Excel. 
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(1 point) Find the value of a standard Normal variable that satisfies each of the following...
At least one of the answers above is NOT correct. 1 of the questions remains unanswered....
At least one of the answers above is NOT correct. 1 of the questions remains unanswered. (1 point) The thorax lengths in a population of male fruit flies follow a Normal distribution with mean 0.785 milimeters (mm) and standard deviation 0.084 mm. What are the median and the first and third quartiles of thorax length? (a) Median: (b) The first quartile (c) The third quartile: You can earn partial credit on this problem
1.The heights of women aged 20 to 29 follow approximately the N(64, 2.76) distribution. Men the...
1.The heights of women aged 20 to 29 follow approximately the N(64, 2.76) distribution. Men the same age have heights distributed as N(69.3, 2.87). What percent of young women are taller than the mean height of young men? 2.The thorax lengths in a population of male fruit flies follow a Normal distribution with mean 0.785 millimeters (mm) and standard deviation 0.085 mm. What are the median and the first and third quartiles of thorax length? (a) Median: (b) The first...
Please help with these questions! Thank you. (1 point) The common fruit fly Drosophila melanogaster is...
Please help with these questions! Thank you.
(1 point) The common fruit fly Drosophila melanogaster is the most studied organism in genetic research because it is small, easy to grow, and reproduces rapidly. The length of the thorax (where the wings and legs attach) in a population of male fruit fies is approximately Normal with mean 0.800 millimeters (mm) and standard deviation 0.078 mm. Note: Use Table A to find the proportion below. (a) What proportion of flies have thorax...
Find the value zz of a standard Normal variable that satisfies each of the following conditions....
Find the value zz of a standard Normal variable that satisfies each of the following conditions. (a) The point zz with 80% of the observations falling below it z=z= (b) The point zz with 90% of the observations falling above it z=z= please explain how you came to your solution . If you used the calculator please show the steps and what functions you used. Thank you
Use Table A to find the value z of a standard Normal variable that satisfies each...
Use Table A to find the value z of a standard Normal variable that satisfies each of the following conditions. Use the value of z from Table A that comes closest to satisfying the condition. In each case, sketch a standard Normal curve with your value of z marked on the axis. (a) Find the point z with 68% of the observations falling below it. Enter your answer rounded to two decimal places. (b) Find the point z with 19%...
Use Table A to find the value z of a standard Normal variable that satisfies each...
Use Table A to find the value z of a standard Normal variable that satisfies each of the following conditions. Use the value of : from Table A that comes closest to satisfying the condition. In each case, sketch a standard Normal curve with your value of z marked on the axis (a) Find the point z with 64% of the observations falling below it. Enter your answer rounded to two decimal place. (b) Find the point z with 25%...
Use Table A to find the value z of a standard Normal variable that satisfies each...
Use Table A to find the value z of a standard Normal variable that satisfies each of the following conditions. Use the value of z from Table A that comes closest to satisfying the condition. In each case, sketch a standard Normal curve with your value of z marked on the axis. (a) Find the point z with 68% of the observations falling below it. Enter your answer rounded to two decimal places. (b) Find the point z with 23%...
(1 point) Find the Z-score from the standard normal distribution that satisfies each of the following...
(1 point) Find the Z-score from the standard normal distribution that satisfies each of the following statements. Draw an appropriate diagram, shade the appropriate region that represents for each Z-scores. Round your answers to 2 decimal places. (a) The point z with 5.05 percent of the observations falling below it. ZE (b) The closest point z with 7.68 percent of the observations falling above it. z =
1 point) The common fruit fly Drosophila melanogaster is the most studied organism in genetic research...
1 point) The common fruit fly Drosophila melanogaster is the most studied organism in genetic research because it is small, easy to grow, and reproduces rapidly. The length of the thorax (where the wings and legs attach) in a population of male fruit fies is approximately Normal with mean 0.800 millimeters (mm) and standard deviation 0.078 mm. Note: Use Table A to find the proportion below (a) What proportion of flies have thorax length 0.83 mm or longer? (b) What...
Find the z-score from a standard normal distribution that satisfies each of the following statements. (a)...
Find the z-score from a standard normal distribution that satisfies each of the following statements. (a) The point z with 2.81 percent of the observations falling below it. z= equation editorEquation Editor (b) The closest point z with 21.94 percent of the observations falling above it. z= equation editorEquation Editor
At least one of the answers above is NOT correct. 1 of the questions remains unanswered. (1 point) The thorax lengths in a population of male fruit flies follow a Normal distribution with mean 0.785 milimeters (mm) and standard deviation 0.084 mm. What are the median and the first and third quartiles of thorax length? (a) Median: (b) The first quartile (c) The third quartile: You can earn partial credit on this problem
Please help with these questions! Thank you.
(1 point) The common fruit fly Drosophila melanogaster is the most studied organism in genetic research because it is small, easy to grow, and reproduces rapidly. The length of the thorax (where the wings and legs attach) in a population of male fruit fies is approximately Normal with mean 0.800 millimeters (mm) and standard deviation 0.078 mm. Note: Use Table A to find the proportion below. (a) What proportion of flies have thorax...
Use Table A to find the value z of a standard Normal variable that satisfies each of the following conditions. Use the value of z from Table A that comes closest to satisfying the condition. In each case, sketch a standard Normal curve with your value of z marked on the axis. (a) Find the point z with 68% of the observations falling below it. Enter your answer rounded to two decimal places. (b) Find the point z with 19%...
Use Table A to find the value z of a standard Normal variable that satisfies each of the following conditions. Use the value of : from Table A that comes closest to satisfying the condition. In each case, sketch a standard Normal curve with your value of z marked on the axis (a) Find the point z with 64% of the observations falling below it. Enter your answer rounded to two decimal place. (b) Find the point z with 25%...
Use Table A to find the value z of a standard Normal variable that satisfies each of the following conditions. Use the value of z from Table A that comes closest to satisfying the condition. In each case, sketch a standard Normal curve with your value of z marked on the axis. (a) Find the point z with 68% of the observations falling below it. Enter your answer rounded to two decimal places. (b) Find the point z with 23%...
(1 point) Find the Z-score from the standard normal distribution that satisfies each of the following statements. Draw an appropriate diagram, shade the appropriate region that represents for each Z-scores. Round your answers to 2 decimal places. (a) The point z with 5.05 percent of the observations falling below it. ZE (b) The closest point z with 7.68 percent of the observations falling above it. z =
1 point) The common fruit fly Drosophila melanogaster is the most studied organism in genetic research because it is small, easy to grow, and reproduces rapidly. The length of the thorax (where the wings and legs attach) in a population of male fruit fies is approximately Normal with mean 0.800 millimeters (mm) and standard deviation 0.078 mm. Note: Use Table A to find the proportion below (a) What proportion of flies have thorax length 0.83 mm or longer? (b) What...
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