A traffic study found that of 676 automobiles entering a busy intersection during the period from 6 A.M. to 9 A.M., 257 turned left, 221 turned right, and 198 drove straight through the intersection. Below is a summary of the data and the output for the goodness-of-fit test.

Test the hypothesis that the traffic is not equally divided among the three directions. Using a goodness-of-fit test and a 0.05 level of significance, choose the correct decision regarding the null hypothesis and conclusion statement.
A) Fail to reject H0; There is enough evidence to conclude that the traffic is equally divided among the three directions
B) Fail to reject H0; There is enough evidence to conclude that the traffic is not equally divided among the three directions
C) Reject H0; There is enough evidence to conclude that the traffic is equally divided among the three directions
D) Reject H0; There is enough evidence to conclude that the traffic is not equally divided among the three directions

Question

A traffic study found that of 676 automobiles entering a busy intersection during the period from 6 A.M. to 9 A.M., 257 turned left, 221 turned right, and 198 drove straight through the intersection. Below is a summary of the data and the output for the goodness-of-fit test.

Test the hypothesis that the traffic is not equally divided among the three directions. Using a goodness-of-fit test and a 0.05 level of significance, choose the correct decision regarding the null hypothesis and conclusion statement.
A) Fail to reject H0; There is enough evidence to conclude that the traffic is equally divided among the three directions 
B) Fail to reject H0; There is enough evidence to conclude that the traffic is not equally divided among the three directions 
C) Reject H0; There is enough evidence to conclude that the traffic is equally divided among the three directions 
D) Reject H0; There is enough evidence to conclude that the traffic is not equally divided among the three directions

Quizplus · Accepted Answer

The Answer of A traffic study found that of 676 automobiles entering a busy intersection during the period from 6 A.M. to 9 A.M., 257 turned left, 221 turned right, and 198 drove straight through the intersection. Below is a summary of the data and the output for the goodness-of-fit test.

Test the hypothesis that the traffic is not equally divided among the three directions. Using a goodness-of-fit test and a 0.05 level of significance, choose the correct decision regarding the null hypothesis and conclusion statement.
A) Fail to reject H0; There is enough evidence to conclude that the traffic is equally divided among the three directions 
B) Fail to reject H0; There is enough evidence to conclude that the traffic is not equally divided among the three directions 
C) Reject H0; There is enough evidence to conclude that the traffic is equally divided among the three directions 
D) Reject H0; There is enough evidence to conclude that the traffic is not equally divided among the three directions

A Traffic Study Found That of 676 Automobiles Entering a Busy