A survey of nonprofit marketers indicated that 37​% of nonprofit marketers rated themselves highly in terms of use of content marketing effectiveness.​ Furthermore, of those nonprofit marketers who rated themselves highly in terms of use of content marketing​ effectiveness, 45​% reported having a documented content strategy. Of the nonprofit marketers who did not rate themselves highly in terms of use of content marketing​ effectiveness,12​% reported having a documented content strategy. If a nonprofit marketer is known to have a documented content​ strategy, what is the probability that the nonprofit marketer rates himself or herself highly in terms of use of content marketing​ effectiveness?

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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.