The amounts of time per workout an athlete uses a stairclimber are normally distributed, with a mean of 21 minutes and a standard deviation of 6 minutes. Find the probability that a randomly selected athlete uses a stairclimber for (a) less than 16 minutes, (b) between 21 and 29 minutes, and (c) more than 30 minutes. ...... a) The probability that a randomly selected athlete uses a stairclimber for less than 16 minutes is Round to four decimal places as needed.) 0.8333 b) The probability that a randomly selected athlete uses a stairclimber between 21 and 29 minutes is 1.3333 Round to four decimal places as needed.) c) The probability that a randomly selected athlete uses a stairclimber for more than 30 minutes is 1.5000 Round to four 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.