A population of values has a normal distribution with u = 249 and o = 57.5. You intend to draw a random sample of size n = 190. Find the probability that a sample of sizen 190 is randomly selected with a mean greater than 239. P(M> 239) = Round to four decimal places

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A: Note :  1. Corresponding angles are equal. 2. Alternate exterior angles are equal.

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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.