Question

Express the confidence interval (84.6,268.8) in the form of ¯x±ME.

Express the confidence interval 587.7<μ<814.5 in the form of ¯x±ME.

Answer #1

Solution :

= (Lower confidence interval + Upper confidence interval ) / 2

Sample mean = = (84.6+268.8) / 2=176.7

Margin of error = E = Upper confidence interval - = 268.8-176.7=92.1

¯x±ME.

176.7±92.1

b.

Solution :

= (Lower confidence interval + Upper confidence interval ) / 2

Sample mean = = (587.7+814.58) / 2=701.14

Margin of error = E = Upper confidence interval - = 814.58-701.14=113.44

x±ME

701.14±113.44

Express the confidence interval 596.9<μ<746.1 in the form
of ¯x±ME. ¯x±ME= ±

QUESTION PART A: Express the confidence interval
−41.3<μ<159.9-41.3<μ<159.9 in the form of
¯x±MEx¯±ME.
¯x±ME=_____ ±_____
QUESTION PART B: Express the confidence interval
(731.9,891.7)(731.9,891.7) in the form of ¯x±MEx¯±ME.
¯x±ME=_____ ±_____

Express the confidence interval (68.4,348.2)(68.4,348.2) in the
form of ¯x±MEx¯±ME.
x±ME= ±±

Express the confidence interval (11.2%,29.2%)in the form of
ˆp±ME
___% ± ____%

Express the confidence interval 35.7% < p < 42.3% in the
form of ˆp ± ME
% ± %

Express the confidence interval 27.5% <p< 42.7% in the
form of ˆp±ME.
______% ± % _______

Express the confidence interval (8.6%,21.4%)(8.6%,21.4%) in the
form of ˆp±MEp^±ME.
% ±± %

Express the confidence interval ( 578.8 , 660 ) in the form of ¯
x ± M E .

Express the confidence interval ( 196.6 , 416 ) in the form of ¯
x ± M E . ¯ x ± M E = ±

Express the confidence interval 73%<p<88%73%<p<88%
in the form of ˆp±ME

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