A Two-Proportions $\mathrm { z }$ -Test Is to Be Performed $\mathrm { H } _ { 0 } : \mathrm { p } _ { 1 } = \mathrm { p } _ { 2 }$

question 2

Multiple Choice

A two-proportions $\mathrm { z }$ -test is to be performed. The null hypothesis is $\mathrm { H } _ { 0 } : \mathrm { p } _ { 1 } = \mathrm { p } _ { 2 }$ . For the given sample data compute the value of the test statistic.
-A random sampling of sixty pitchers from the National League and fifty-two pitchers from the American League showed that 17 National and 6 American League pitchers had E.R.A's below

• A)3.5. z = 2.194
• B)z = 24.274
• C)z = 2.852
• D)z = 288.178

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Multi-attribute Utility Analysis

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