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A recent survey of cell phone users indicated that 56 percent of the respondents prefer to use cell phones for texting rather than for making phone calls. A 95 percent confidence interval for the estimate of all cell phone users who prefer to use cell phones for texting has a margin of error of 3 percent. Assume all conditions for inference have been met. Based on the confidence interval, which of the following claims is supported?.

Sagot :

Assume all conditions for inference have been met, based on the confidence interval, the claim that is supported is that;

More than half of all people prefer texting.

Understanding Confidence Intervals

We are given;

Confidence Level; CL = 95%

Margin of error; MOE = 3%

Since 56 percent of the respondents prefer to use cell phones for texting rather than for making phone calls. It means that; x' = 56%

Thus;

CI = x' ± MOE

CI = 56% ± 3%

CI = 53% OR 59%

Thus, in conclusion we can say that more than half of the people prefer texting

Read more about Confidence Intervals at; https://brainly.com/question/17097944

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