3. Can the normal approximation be used with this distribution? Yes, the population distribution is normally distributed. X 4. What is the mean of the sampling proportion? 0.68 5. What is the standard deviation of the sampling proportion? 0.0301 (Round to 4th decimal place) 6. What is the probability that no more than 156 U.S adults of the 240 surveyed believe solar energy is very effective in minimizing air pollution? What is p? 0.65 (decimal form) What is the z-score? 1 X (Round to the hundredths place)
3. Can the normal approximation be used with this distribution? Yes, the population distribution is normally distributed. X 4. What is the mean of the sampling proportion? 0.68 5. What is the standard deviation of the sampling proportion? 0.0301 (Round to 4th decimal place) 6. What is the probability that no more than 156 U.S adults of the 240 surveyed believe solar energy is very effective in minimizing air pollution? What is p? 0.65 (decimal form) What is the z-score? 1 X (Round to the hundredths place)
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 50E: Flexible Work Hours In a recent survey, people were asked whether they would prefer to work flexible...
Related questions
Question
I am stuck on the three questions with the red x's beside them.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
Recommended textbooks for you
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning