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Small-business telephone users were surveyed 6 months after access to carriers other than Carrier A became...

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Statistics

Small-business telephone users were surveyed 6 months afteraccess to carriers other than Carrier A became available for​wide-area telephone service. Of a random sample of

260260

Carrier A​ users,

158158

said they were attempting to learn more about their​ options, asdid

206206

of an independent random sample of

240240

users of alternate carriers.​ Test, at the

11​%

significance level against a​ two-sided alternative, the nullhypothesis that the two population proportions are the same.

Let

Upper P Subscript xPx

be the proportion of Carrier A users who said they wereattempting to learn more about their options and

Upper P Subscript yPy

be the proportion of users of alternate carriers who said theywere attempting to learn more about their options.

H1=?

H0=?

The test statistic is Z=?

The critical​ value(s) is(are)=?

Since the test statistic is NOT MORE EXTREME/MORE EXTREME=?

than the critical​ value(s) DO NOT REJECT/REJECT=?

Upper H 0H0.

There is SUFFÄ°CÄ°ENT/UNSUFFÄ°CÄ°ENT=?evidence to conclude thatthere is a difference between the two population proportions.

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