Patrick B. answered • 05/07/20
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Prob ( x>=25) = 1 - Prob(x<=25) = 1 - Prob( z <= (25-33)/4) = 1 - Prob(z <= -2) = 0.02275
Grace-Ann G.
asked • 05/07/20A normal distribution has a mean of 33 and a standard deviation of 4. Find the probability that a randomly selected x -value from the distribution is at least 25. What is the probablity?
A normal distribution has a mean of 33 and a standard deviation of 4. Find the probability that a randomly selected x -value from the distribution is at least 25. What is the probablity?
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