Ouranos Resorts would like to send a survey to its guests asking about their satisfaction with the new website design. It would like to have a margin of error of ±2 percent on responses with 90 percent confidence. (a) Using the conservative approach, what sample size is needed to ensure this level of confidence and margin of error? (Round up your answer to the next whole number.) Sample size _________ (b) If Ouranos Resorts wanted the margin of error to be only ±1.0 percent, what would happen to the required sample size? (Round up your answer to the next whole number.) Sample size would (Click to select) increase decrease to .
Ouranos Resorts would like to send a survey to its guests asking about their satisfaction with the new website design. It would like to have a margin of error of ±2 percent on responses with 90 percent confidence. (a) Using the conservative approach, what sample size is needed to ensure this level of confidence and margin of error? (Round up your answer to the next whole number.) Sample size _________ (b) If Ouranos Resorts wanted the margin of error to be only ±1.0 percent, what would happen to the required sample size? (Round up your answer to the next whole number.) Sample size would (Click to select) increase decrease to .
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 4SE: What is the difference between events and outcomes? Give an example of both using the sample space...
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Ouranos Resorts would like to send a survey to its guests asking about their satisfaction with the new website design. It would like to have a margin of error of ±2 percent on responses with 90 percent confidence.
(a) Using the conservative approach, what
Sample size _________
(b) If Ouranos Resorts wanted the margin of error to be only ±1.0 percent, what would happen to the required sample size? (Round up your answer to the next whole number.)
Sample size would (Click to select) increase decrease to .
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