9.1.57 – Survey on Downloading Music
MyStatLab
Pearson
They give you the results of a poll on downloading music and ask for the confidence interval.
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Your numbers will vary.
They give you the results of a poll on downloading music and ask for the confidence interval.
Your numbers will vary.
Gives info on two different countries and asks for the two proportions and a confidence interval and if the countries are different.
Your numbers will vary.
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.
Your numbers will vary.
They give the margin of error and confidence and ask how many vehicles should be sampled.
Your numbers will vary.
They give you some polling data and ask you what the confidence level is.
Your numbers will vary.
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.
Your numbers will vary.
They give you some x-values, and probabilities, and ask for the missing probabilities.
Your numbers will vary.
Various probabilities are given about % of users that are from the US and that login everyday. Questions are asked about probability of various events such as the percentage from the US, type of probability, and making a contingency table.
Your numbers will vary.
They tell you a goal is to have a certain % be able to program their DVD player, tell you how many in poll and asks to find mistakes of a student.
Your numbers will vary.