SOLUTION: Buyers for large department stores typically purchase costume jewelry in assortments rather than by the piece. A buyer is interested in ordering a ring that is made in 5 sizes, and

Question 425280: Buyers for large department stores typically purchase costume jewelry in assortments rather than by the piece. A buyer is interested in ordering a ring that is made in 5 sizes, and comes in lots of 50 rings. The sizes and the porportion of rings manufactured in that size are in the table below.What is the probability that, at most, a shipment received will contain 10 size-six rings?
Size 5 Probability 0.1
Size 6 Prob 0.2
Size 7 Prob 0.4
Size 8 Prob 0.2
Size 9 Prob 0.1
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Buyers for large department stores typically purchase costume jewelry in assortments rather than by the piece. A buyer is interested in ordering a ring that is made in 5 sizes, and comes in lots of 50 rings. The sizes and the porportion of rings manufactured in that size are in the table below.What is the probability that, at most, a shipment received will contain 10 size-six rings?
----
Binomial Problem with n= 50 and p = 0.2
P(x = 10) = 50C10*0.2^10*0.8^40 = 0.1398
==================
Cheers,
Stan H.
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Size 5 Probability 0.1
Size 6 Prob 0.2
Size 7 Prob 0.4
Size 8 Prob 0.2
Size 9 Prob 0.1

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