Mathematics, 10.03.2021 01:00 retros133
In November, a group of randomly selected adults were surveyed and asked if they expected to spend more money on vacation travel this year. Those surveyed were asked to respond with yes or no. From the sample data, the resulting 95% confidence interval for answering yes was (.09, .15). Which of the following is not true of the interval?
1. it is safe to assume that less than 20% of adults expect to spend more this year.
2. the margin of error for the interval is 6%
3. the critical values used were ± 1.96
4. in our sample, 12 % of adults said they expected to spend more
5. we expect that about 95 out of 100 such samples will capture the true proportion of adults expecting to spend more this year.
Answers: 2
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