Use the relative frequency method to estimate the probability. Round your answer to three decimal places.
-A polling firm, hired to estimate the likelihood of the passage of an up-coming referendum, obtained the set of survey responses to make its estimate. The encoding system for the data is: 1 = FOR, 2 = AGAINST. If the referendum were held today, estimate the probability that it would pass. $1,2,2,1,1,2,1,2,2,1,1,1,2,1,2,1,1,1,2,1$
A) $0.4$
B) $0.65$
C) $0.5$
D) $0.6$

Question

Quizplus · Accepted Answer

The probability of the referendum passing is estimated by counting the number of "FOR" responses (encoded as 1) and dividing by the total number of responses. There are 12 "FOR" responses out of 20 total responses, so the probability is $12/20 = 0.6$.

Use the Relative Frequency Method to Estimate the Probability 1,2,2,1,1,2,1,2,2,1,1,1,2,1,2,1,1,1,2,11,2,2,1,1,2,1,2,2,1,1,1,2,1,2,1,1,1,2,11,2,2,1,1,2,1,2,2,1,1,1,2,1,2,1,1,1,2,1 A) 0.40.40.4

Use the Relative Frequency Method to Estimate the Probability $1,2,2,1,1,2,1,2,2,1,1,1,2,1,2,1,1,1,2,1$ A) $0.4$