An 80% confidence interval for a proportion is found to be (0.27,0.33). What
1 answer:
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Answer:
see explanation
Step-by-step explanation:
Since the 2 figures are similar then the ratios of corresponding sides are equal, that is
=
( cross- multiply )
18x = 48 ( divide both sides by 18 )
x = =
= 2
Similarly
=
( cross- multiply )
18y = 30 ( divide both sides by 18 )
y = =
= 1