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PBS News Hour reported that %39.4 of americans between the ages of 25 and 64 have a two year degree. assume that 50 americans are selected randomly. b) what are the variance and standard deviation for the number of people with at least a two year college degree (to 4 decimals)

PBS News Hour reported that %39.4 of americans between the ages of 25 and 64 have a two year degree. assume that 50 americans are selected randomly. b) what are the variance and standard deviation for the number of people with at least a two year college degree (to 4 decimals)

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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PBS News Hour reported that %39.4 of americans between the ages of 25 and 64 have a two year degree. assume that 50 americans are selected randomly.

b) what are the variance and standard deviation for the number of people with at least a two year college degree (to 4 decimals)

**Assignment: Educational Statistics Practice** **Exercise 05.67** PBS *News Hour* reported that 39.4% of Americans between the ages of 25 and 64 have at least a two-year college degree (PBS website, December 15, 2014). Assume that 50 Americans between the ages of 25 and 64 are selected randomly. a. **What is the expected number of people with at least a two-year college degree (to 1 decimal)?** - Expected number: **19.7** b. **What are the variance and standard deviation for the number of people with at least a two-year college degree (to 4 decimals)?** - **Variance:** [Text Box] - **Standard Deviation:** [Text Box] You can fill in the answers by calculating based on the provided information. Remember to save your work and submit the assignment for grading using the provided tools on your educational platform.
Transcribed Image Text:**Assignment: Educational Statistics Practice** **Exercise 05.67** PBS *News Hour* reported that 39.4% of Americans between the ages of 25 and 64 have at least a two-year college degree (PBS website, December 15, 2014). Assume that 50 Americans between the ages of 25 and 64 are selected randomly. a. **What is the expected number of people with at least a two-year college degree (to 1 decimal)?** - Expected number: **19.7** b. **What are the variance and standard deviation for the number of people with at least a two-year college degree (to 4 decimals)?** - **Variance:** [Text Box] - **Standard Deviation:** [Text Box] You can fill in the answers by calculating based on the provided information. Remember to save your work and submit the assignment for grading using the provided tools on your educational platform.
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