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A decade-old study found that the proportion, p, of high school seniors who believed that "getting rich" was an 75%. A researcher decides to test whether or not that percentage still stands. He finds that, among the 215 random sample, 173 believe that "getting rich" is an important goal. Can he conclude, at the 0.01 level of sign indeed changed? Perform a two-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 decade-old study found that the proportion, p, of high school seniors who believed that "getting rich" was an 75%. A researcher decides to test whether or not that percentage still stands. He finds that, among the 215 random sample, 173 believe that "getting rich" is an important goal. Can he conclude, at the 0.01 level of sign indeed changed? Perform a two-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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A decade-old study found that the proportion, p, of high school seniors who believed that "getting rich" was an 75%. A researcher decides to test whether or not that percentage still stands. He finds that, among the 215 random sample, 173 believe that "getting rich" is an important goal. Can he conclude, at the 0.01 level of sign indeed changed? Perform a two-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.
Transcribed Image Text:A decade-old study found that the proportion, p, of high school seniors who believed that "getting rich" was an 75%. A researcher decides to test whether or not that percentage still stands. He finds that, among the 215 random sample, 173 believe that "getting rich" is an important goal. Can he conclude, at the 0.01 level of sign indeed changed? Perform a two-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.
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