The following data were gathered for 130 adultU.S. workers: 55 were women; 3 women earned more than $40,000; and 62 men earned $40,000 or less. Find the prob-ability that an individual is a. a woman earning $40,000 or less;b. a man earning more than $40,000;c. a man or is earning more than $40,000;d. a woman or is earning $40,000 or less.

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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.