Asked by farahan
If the mean wage of a part time lecturer in a college is 250.00 per month and standard deviation of 25.00.find these probabilities for a randomly selected lecturer,assuming the variable is normally distributed,
a.the lecturer earns more than 280.00.
b.the lecturer earns more than 200.00.
a.the lecturer earns more than 280.00.
b.the lecturer earns more than 200.00.
Answers
Answered by
John
a) 280 -250 divided by z = 1.2
Use a z- table to find the probability greater than z = 1.2
Use a z- table to find the probability greater than z = 1.2
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