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The prc v np of residents in a community who recycle has traditionally been 70%. A policy maker claims that the proportion is less than
The prc v np of residents in a community who recycle has traditionally been 70%. A policy maker claims that the proportion is less than 70% now that one of the recycling centers has been relocated. If 138 out of a random samp|_e of 205 residents in the community said they recycle, is there enough evidence to support the policy maker's claim at the 0.10 level of significance? Perform a one-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.) (a) State the null hypothesis H0 and the alternative hypothesis H1. l1 O p H0 :D _ /\\ x S p H1 : I] l: E] E (b) Determine the type of test statistic to use. (Choose one) V = 5 Z (c) Find the value of the test statistic. (Round to three or more decimal places.) 7: l_ . . x o (d) Find the p-value. (Round to three or more deCImal places.) (e) Is there enough evidence to support the policy maker's claim that the proportion of residents who recycle is less than 70%? (W Var (W l\\lr\\
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