Decision Theory: Q:1) A student taking management science 301 at East Haven Univ
ID: 471450 • Letter: D
Question
Decision Theory:
Q:1) A student taking management science 301 at East Haven University will receive one of the five possible grades for the course A, B, C. D OR F. The distribution of grades over the past two years is as follows:
Grade Number of students
A) 80
B) 75
C) 90
D) 30
F) 25
TOTAL = 300
If this past distribution is a good indicator of future grades, what is the probability of a student receiving a C in the course.
Q:2) A silver dollar is flipped twice. Calculate the probability of each of the following occurring:
A) A head on the first flip
B) a tail on the second flip given that the first toss was a head
C) two tails
d) a tail on the first and a head on the second
e)a tail on the first and a head on the second or a head on the first and a tail on the second
f) at least one head on the two flips.
Grade Number of students
A) 80
B) 75
C) 90
D) 30
F) 25
TOTAL = 300
Explanation / Answer
The probability of a student receiving a C in the course is 30%.
Grade Number of students Probability A) 80 =80/300 0.267 or 3 B) 75 =75/300 0.25 C) 90 =90/300 0.3 D) 30 =30/300 0.1 F) 25 =25/300 0.083 or 0.08 Total 300Related Questions
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