Question

Students who apply to MBA programs must take the Graduate Management Admission Test (GMAT). University admissions committees use the GMAT score as one of the critical indicators of how well a student is likely to perform in the MBA program. To judge how well the GMAT score predicts MBA performance, a sample of 10 graduates was taken. Their grade point averages in the MBA program (values from 0 to 12) and their GMAT score (values range from 200 to 800) are listed below: GMAT GPA 599 9.6 689 8.8 584 7.4 631 10.0 594 9.2 643 7.8 656 9.6 594 11.2 710 8.4 611 7.6 Suppose that university admissions committees consider a GMAT score higher than 600 as an indicator of a good candidate, and a GPA higher than 9.0 as a good performance. Find the probability distribution table that correctly summarizes the data. a. GMAT higher than 600 GMAT lower than or equal to 600 GPA higher than 9.0 0.3 0.3 GPA lower than or equal to 9.0 0.2 0.2 b. GMAT higher than 600 GMAT lower than or equal to 600 GPA higher than 9.0 0.3 0.2 GPA lower than or equal to 9.0 0.3 0.2 c. GMAT higher than 600 GMAT lower than or equal to 600 GPA higher than 9.0 0.4 0.1 GPA lower than or equal to 9.0 0.2 0.3 d. GMAT higher than 600 GMAT lower than or equal to 600 GPA higher than 9.0 0.3 0.3 GPA lower than or equal to 9.0 0.3 0.1 e. GMAT higher than 600 GMAT lower than or equal to 600 GPA higher than 9.0 0.2 0.3 GPA lower than or equal to 9.0 0.4 0.1 When a customer enters a grocery market, the joint probability of buying milk and beer is given in the following table. Buy Milk Not buy milk Buy Beer 30% 10% Not buy beer 40% 20% We denote "buying milk" and "buying beer" as M and B, respectively. What is ? Buy milk Not buy milk Buy beer Not buy beer 70% 80% 50% 90% 60%

          Students who apply to MBA programs must take the Graduate
Management Admission Test (GMAT).
University admissions committees use the GMAT score as one of
the critical indicators of how well a student is likely to perform
in the MBA program. 
To judge how well the GMAT score predicts MBA performance, a
sample of 10 graduates was taken.
Their grade point averages in the MBA program (values from 0 to
12) and their GMAT score (values range from 200 to 800) are listed
below:
GMAT
GPA
599
9.6
689
8.8
584
7.4
631
10.0
594
9.2
643
7.8
656
9.6
594
11.2
710
8.4
611
7.6
Suppose that university admissions committees consider a GMAT
score higher than 600 as an indicator of a good candidate, and a
GPA higher than 9.0 as a good performance.
Find the probability distribution table that correctly
summarizes the data.
a.
GMAT higher than 600
GMAT lower than or equal to 600
GPA higher than 9.0
0.3
0.3
GPA lower than or equal to 9.0
0.2
0.2
b.
GMAT higher than 600
GMAT lower than or equal to 600
GPA higher than 9.0
0.3
0.2
GPA lower than or equal to 9.0
0.3
0.2
c.
GMAT higher than 600
GMAT lower than or equal to 600
GPA higher than 9.0
0.4
0.1
GPA lower than or equal to 9.0
0.2
0.3
d.
GMAT higher than 600
GMAT lower than or equal to 600
GPA higher than 9.0
0.3
0.3
GPA lower than or equal to 9.0
0.3
0.1
e.
GMAT higher than 600
GMAT lower than or equal to 600
GPA higher than 9.0
0.2
0.3
GPA lower than or equal to 9.0
0.4
0.1
When a customer enters a grocery market, the joint probability
of buying milk and beer is given in the following table.
Buy Milk
Not buy milk
Buy Beer
30%
10%
Not buy beer
40%
20%
We denote "buying milk" and "buying beer" as M and B,
respectively. What is ?
Buy milk
Not buy milk
Buy beer
Not buy beer
70%
80%
50%
90%
60%

Added by Samantha S.

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