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Mathematics, 25.04.2020 03:51 Anthonyxxx1

A physical education teacher wanted to test whether her county’s students are falling below the national proportion. It is known that the national proportion for high school juniors passing the aerobic portion of the test (running a mile in less than 10 minutes) is 0.70. Using  = 0.05, is there sufficient evidence to conclude that less than 70% of students run one mile in less than 10 minutes?

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