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6) The confidence interval at the 95% level of confidence for the population proportion if a sample of size 100 had 30 successes is: A) (0.2102, 0.3102) B) (0.2102, 0.3898) C) (0.2959, 0.3041) D) (0.2595, 0.3405) 7) A company tests all brands of golf balls to ensure that they meet certain specifications. ................
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