A humane society claims that less than 73% of households in a certain country own a pet. In a random sample of 500 households in that country, 355 say they own a pet. At a= 0.05, is there enough evidence to support the society's claim? Complete parts (a) through (c) below. Let p be the population proportion of successes, where a success is a household in the country that owns a pet. State Ho and H Select the correct choice below and fill in the answer boxes to complete your choice. (Round to two decimal places as needed.) A. Ho: p> O B. Ho: P= OC. Họ: p# Hps H: p# D. Ho: p2 0.73 OE Ho: p< OF. Ho: ps Hap< 0.73 Hg: p2 Ha: p> (b) Use technology to find the P-value. Identify the standardized test statistic. z=0.71 (Round to two decimal places as needed.)

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Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.