AnswersCA-Statistics and Probability BIntroduction to Confidence Intervals

Introduction to Confidence Intervals Answers

3 verified answers1 views
1
Free Preview

A dental office asked a random sample of adult patients if they preferred fruit-flavored toothpaste more than mint-flavored toothpaste. The 95% confidence interval of adult patients from this sample who preferred fruit-flavored toothpaste to mint-flavored toothpaste is (0.25, 0.31).Interpret the confidence interval.

A
We are 95% confident that more than half of the patients at this dental office prefer fruit-flavored toothpaste.
B
95% of the time between 25% and 31% of patients prefer fruit-flavored over mint-flavored toothpaste.
C
We are 95% confident that the interval from 0.25 to 0.31 captures the true proportion of adult patients who prefer fruit-flavored toothpaste over mint-flavored toothpaste.
D
95% of the patients at this dental office prefer fruit-flavored toothpaste 25% to 31% more than mint-flavored toothpaste.
2
Free Preview

p = the proportion of beads in the

A
jar
B
sample
C
scoop
D
bead manufacturer

Did you find these answers helpful?