Notice that the expected frequencies are missing. What are the correct expected frequencies?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A researcher wants to see if the distribution of people by political party in California has changed since the year 2000.  Let’s say that, in the year 2000, a census found that Californians identified with each political party in the following proportions: 35% Democrat, 32% Republican, 27% Independent, 4% Libertarian, and 2% Green Party.  The researcher surveys n=150 California voters and gets the following observed frequencies and expected frequencies.

 

FREQUENCY

Democrat

Republican

Independent

Libertarian

Green

TOTAL

fo

50

50

42

4

4

150

fe

?

?

?

?

?

150

 

Notice that the expected frequencies are missing.  What are the correct expected frequencies?

Group of answer choices

Expected frequencies:

Democrat

Republican

Independent

Libertarian

Green

52.5

48

40.5

6

3

 

Expected frequencies:

Democrat

Republican

Independent

Libertarian

Green

50

50

42

4

4

 

Expected frequencies:

Democrat

Republican

Independent

Libertarian

Green

35%

32%

27%

4%

2%

 

None of the other options is correct.
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