Based on historical data, your manager believes that 29% of the company's orders come from first-time customers. A random sample of 110 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is greater than than 0.2? P(p? > 0.2) = (Enter your answer as a number accurate to 4 decimal places.)
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29 Sample proportion, p = 0.2 Sample size, n = 10 Standardized value (Z) = (p - P) / sqrt(P*(1-P)/n) Z = (0.2 - 0.29) / sqrt(0.29*0.71/10) Z = -0.09 / sqrt(0.02059) Z = -2.08 Show more…
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