Fifth annual clean hands report card survey

Reference no: EM13230241

The soap and detergent association issued its fifth annual clean hands report card survey for 2009. In a series of hygiene-related questions to American adults, it was found that 62% of 442 women washed their hands more than 10 times per day, while 37% of 446 men did the same. Find the 95% Confidence interval for the difference in proportions of women and men that wash their hands more than 10 times a day.

Reference no: EM13230241

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