9.1.49 – Student Publishing New Magazine on Japanese Autos
MyStatLab
Pearson
A z-interval for proportion is given and they ask what it means.
A z-interval for proportion is given and they ask what it means.
They give you some polling data and ask you for the margin of error and what it means, etc. Experts Have Solved This Problem Please login or register to access this content.
Tells of so many accidents, how many teens were behind the wheel and asks for the confidence interval, and interpret it.
They give you the results of a poll on downloading music and ask for the confidence interval.
Gives info on two different countries and asks for the two proportions and a confidence interval and if the countries are different.
They give a sample of internet users and asked about making one copy of the CD. They give the % that responded yes, they would still buy. They ask for the confidence interval.
They give the margin of error and confidence and ask how many vehicles should be sampled.
They give you some polling data and ask you what the confidence level is.
They tell you the % of adults over 50 who have never graduated from high school and ask how many should be surveyed with various margin of errors.
You’re given a test hypothesis and a P-value. Then you’re asked to find and interpret the decision using the significance provided. If the decision from (a) is an error, what kind? Lastly, they give you a new significance level and ask about your decision and if it’s an error, and what type.