What is the value of the mean? 1 3 P(X=x) 0.15 0.20 0.15 0.50 Answer:
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x | 0 | 1 | 2 | 3 |
P(X=x) | 0.15 | 0.20 | 0.15 | 0.50 |
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- R3Mean (Average): 76 Population Standard Deviation, σ 19 Total Numbers, N 45 What is the z-score for a grade of 65? What is the probability of randomly choosing a score that is 65 or more?The number of cartoons watched by Ms. Smith’s class on Saturday morning is shown below. What is the mean of distribution? Answer to nearest hundredths place.