37
Line up the data, separate into quarters
Take the highest number in the 3rd quarter from the lowest in the 2nd
Line up the data, separate into quarters
Take the highest number in the 3rd quarter from the lowest in the 2nd
(I’ll give Brainliest)
1 answer:
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Answer:
98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day
(0.3672 , 0.7328)
Step-by-step explanation:
<u><em>Explanation:</em></u>-
Given Random sample size n =40
Sample proportion
98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day
The Z-value Z₀.₉₈ = Z₀.₀₂ = 2.326
98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day
( 0.55 - 0.1828 , 0.55 + 0.1828)
(0.3672 , 0.7328)