Mathematics, 25.02.2020 19:47, db328

The probability that a random variable is greater than or equal to z standard deviations from the mean in a standard
normal distribution is p%. What can be said with certainty about the probability that the random variable is less than
equal to -z standard deviations from the mean?
The probability is less than p%.
The probability is equal to p%.
The probability is greater than p%.
The probability is not equal to p%.
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The probability that a random variable is greater than or equal to z standard deviations from the me...