In a study investigating a link between walking and improved health, researchers reported that adults walked an average of 862 minutes in the past month for the purpose of health or recreation. Specify the null and alternative hypotheses for testing whether the true average number of minutes in the past month that adults walked for the purpose of health or recreation is lower than 862 minutes. Choose the correct answer below. O A. Ho: μ=862, Ha: μ> 862 O B. Ho: μ#862, Ha: μ< 862 OC. Ho: μ=862, H₂: μ#862 O D. Ho: μ=862, H₂: μ< 862

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