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Anna11 [10]
2 years ago
8

"Consider the probability distribution of X, where X is the number of job applications completed by a college senior through the

school’s career center.
X 0 1 2 3 4 5 6 7
P(X) 0.002 0.011 0.115 0.123 0.144 0.189 0.238 0.178
We collect a random sample of 1000 college seniors who complete job applications through the career center. Based on the probability distribution, which result would be surprising?"
a. 14 seniors completed 1 job application through the career centers.

b. 15 seniors completed 2 job applications through the career center.

c. 130 seniors completed 3 job applications through the career center.
Mathematics
1 answer:
Citrus2011 [14]2 years ago
4 0

Answer:

Option b

Step-by-step explanation:

Given that the probability distribution of X, where X is the number of job applications completed by a college senior through the school’s career center.

 Expected observed Diff

x p(x) p(x)*1000  

   

0 0.002 2  

1 0.011 11 14 -3

2 0.115 115 15 100

3 0.123 123 130 -7

4 0.144 144  

5 0.189 189  

6 0.238 238  

7 0.178 178  

   

1 1000

We find that there is a large difference in 2 job application

Hence option b is right.  

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