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When testing gas pumps for? accuracy, fuel-quality enforcement specialists tested pumps and found that 1345 of...

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Basic Math

When testing gas pumps for? accuracy, fuel-quality enforcementspecialists tested pumps and found that 1345 of them were notpumping accurately? (within 3.3 oz when 5 gal is? pumped), and 5637pumps were accurate. Use a 0.01 significance level to test theclaim of an industry representative that less than? 20% of thepumps are inaccurate. Use the? P-value method and use the normaldistribution as an approximation to the binomial distribution.

z=

t=

please expalin steps to take and also if you know the steps onti-84 calculator please

Answer & Explanation Solved by verified expert
4.2 Ratings (743 Votes)
Z TEST FOR PROPORTION Given that possibile chances    See Answer
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