HW 3
1) Sincich, Ex. 2.
58
2)
Sincich, Ex. 2.76
3)
Sincich, Ex. 2.86.
4)
Sincich, Ex. 2.93
.
5)
Sincich, Ex. 2.96.
6)
Sincich, Ex. 3.24.
7)
Sincich, Ex. 3.40
8) Sincich, Ex. 3.
42
9) Sincich, Ex. 3.
52
10) NASA estimates that the chance of a “criticalitem failure” (that is, a catastrophic failure) within
the U.S. Space Shuttle’s main engines is 1 in 63 for each mission.
a)
What is the probability that at least one of the eight shuttle missions scheduled next year
results in a criticalitem failure?
b)
What is the probability that at least one of the 40 shuttle missions scheduled over the next
5
years results in a criticalitem failure?
11) Suppose that in the packagedcereals industry, 29% of all vice presidents hold MBA degrees,
24% hold undergraduate business degrees, and 8% hold both. A vice president is to be selected at
random.
a)
What is the probability that the vice president holds either an MBA or an undergraduate
business degree (or both)?
b)
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This note was uploaded on 05/24/2008 for the course ACC 203 taught by Professor Choi during the Spring '08 term at NYU.
 Spring '08
 CHoi

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