The weights of 8-week-old French Bulldog puppies follow a normal distribution. What percent of puppies weigh more than 1.52 standard deviations below the mean?
Solution :
Using standard normla table,
P(Z > 1.52) = 1 - P(Z < 1.52) = 0.0643
To see the z value 1.50 in the column and 0.02 in the row of the standard normal table
the cumulative probability of z = 1.52 is 0.9357
Answer = 6.43%
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