Project #34916 - Probability Statistics

Question 1

For a normal distribution of μ=534.00 and standard deviation σ =108.00
 

1.     What is the percentile rank for X = 412?

a.    z = ?

b.    Percentile rank = ?

2.     What is the percentile rank for X = 726?

a. z = ?

b. Percentile rank = ?

Question 2

                 A jar contains 58 blue marbles and 37 green marbles.

2.    If you are selecting a random sample of n=5 marbles and the first 4 marbles are all blue, what is the probability that the fifth marble will be green?

a.    Write out the fraction representing the probability.

b.    Write the probability as a decimal or a percent.

 

 

Subject Mathematics
Due By (Pacific Time) 07/07/2014 03:00 pm
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