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2 نقطة (نقاط) السؤال 19 We select a random sample of (49) observations from a population with mean (81) and standard dev
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2 نقطة (نقاط) السؤال 19 We select a random sample of (49) observations from a population with mean (81) and standard dev
2 نقطة (نقاط) السؤال 19 We select a random sample of (49) observations from a population with mean (81) and standard deviation (7), the probability that the sample mean is more (82.5) is 0.1587 O 0.9332 O 0.8413 O 0.0668 O