A population of values has a normal distribution with u = 129.5 and o = 69.1. You intend to draw a random sample of size n = 19. Find the probability that a single randomly selected value is less than 162.8. P(X < 162.8) = Find the probability that a sample of size n = 19 is randomly selected with a mean less than 162.8. P(M < 162.8) = Enter your answers as numbers accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.

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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.