Question

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

Answer #1

Solution :

given that

Lower confidence interval = 196.6

Upper confidence interval = 416

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

= ( 196.6+ 416) / 2

Sample mean = =306.3

Margin of error = E = Upper confidence interval -

= 416-306.3

Margin of error = E =109.7

¯ x ± M E

306.3 ± 109.7

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

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.

Express the confidence interval 596.9<μ<746.1 in the form
of ¯x±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 30.4 % ± 5.1 % in interval
form.

Express the confidence interval ( 0.038 , 0.104 ) in the form of
p - E < p< p+e

Express the confidence interval ( 70.3 % , 80.1 % ) ( 70.3 % ,
80.1 % ) in the form of ˆ p ± M E p ^ ± M E .

Express the confidence interval (0.074,0.162) in the form of
Ep−E<p<p+E.

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 (o.026,0.100) in the form of p
(hat) - E < p < p (hat) + E

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