13-SECond period?d. What is the probability of at least one arrival in a 15-second period?4.14 Suppose flaws (cracks, chips, specks, etc.) occur on the surface of glass with a density of four persquare meter. What is the probability of there being exactly five flaws on a sheet of glass of area2 square meters?4.15 On an average day in 2010, there were 21 traffic crashes that occurred on Minnesota roadways. Whatis the probability that there were exactly 20 traffic crashes on Minnesota roadways in any given dayof 2010?4.16 A shipment of 10 items has two defective and eight non-defective units. In the inspection of theshipment, a sample of units will be selected and tested. If a defective unit is found, the shipment of10 units will be rejected.a. If a sample of three items is selected, what is the probability that the shipment will be rejected?b. If a sample of four items is selected, what is the probability that the shipment will be rejected?c. If a sample of five items is selected, what is the probability that the shipment will be rejected?d. If management would like a 0.90 probability of rejecting a shipment with two defective and eightnon-defective units, how large a sample would you recommend?

Here AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION

4.14 Suppose flaws (cracks, chips, specks, etc.) occur on the surface of glass with a density of four per square meter. What is the probability of there being exactly five flaws on a sheet of glass of area 2 square meters?

4.14 Suppose flaws (cracks, chips, specks, etc.) occur on the surface of glass with a density of four per square meter. What is the probability of there being exactly five flaws on a sheet of glass of area 2 square meters?

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 6E

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Question

13-SECond period?
d. What is the probability of at least one arrival in a 15-second period?
4.14 Suppose flaws (cracks, chips, specks, etc.) occur on the surface of glass with a density of four per
square meter. What is the probability of there being exactly five flaws on a sheet of glass of area
2 square meters?
4.15 On an average day in 2010, there were 21 traffic crashes that occurred on Minnesota roadways. What
is the probability that there were exactly 20 traffic crashes on Minnesota roadways in any given day
of 2010?
4.16 A shipment of 10 items has two defective and eight non-defective units. In the inspection of the
shipment, a sample of units will be selected and tested. If a defective unit is found, the shipment of
10 units will be rejected.
a. If a sample of three items is selected, what is the probability that the shipment will be rejected?
b. If a sample of four items is selected, what is the probability that the shipment will be rejected?
c. If a sample of five items is selected, what is the probability that the shipment will be rejected?
d. If management would like a 0.90 probability of rejecting a shipment with two defective and eight
non-defective units, how large a sample would you recommend?

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