Question: Suppose there is a random sample of500 observations, divided into four groups.The table below summarizes the count of observations that were seen in each group.

Suppose there is a random sample of500 observations, divided into four groups.The table below summarizes the count of observations that were seen in each group.

Group 1 Group 2 Group 3| Group 4| TO` We are interested in testing the null hypothesis }/{ : $1 = = = = = $_ _ DOES . against the alternative hypothesis HA: At least one proportion is incorrect

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