Question 4 A statistics class was asked if it believed that all tests on the Mon

Question

Question 4
A statistics class was asked if it believed that all tests on the Monday following the football game win over their archrival should be postponed automatically. The results were as follows:
Strongly Agree
40
Agree
30
Neutral
20
Disagree
10
Strongly Disagree
0

100

Transform this into a numeric score, using the following random variable scale and find the probability distribution for the results: Strongly agree = 5, Agree = 4, Neutral = 3, Disagree = 2, Strongly Disagree = 1

P(x) where x = Strongly Agree

P(x) where x = Agree

P(x) where x = Neutral

P(x) where x = Disagree

P(x) where x = Strongly Disagree
A.
P(x) = .3
B.
P(x) = .1
C.
P(x) = .4
D.
P(x) = .2
E.
P(x) = 0.0
--------

Question 5 :
For Question 4, let X be the numeric score. Compute the expected value of X.

4.0

3.0

4.5

3.67

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I want the answer of question 5 only.

dont do Quetion number 4.

Explanation / Answer

Question 5

Expected Score = sum of p*X = 4

Hence option A is correct

numeric Score (X) probability p p*X 5 0.4 2 4 0.3 1.2 3 0.2 0.6 2 0.1 0.2 1 0 0 4

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