Find the Value of the Standard Score, Z, and Determine $$\mathrm { H } _ { \mathrm { a } } : \mu \neq 23 , \mathrm { n } = 60 , \overline { \mathrm { x } } = 25 , \sigma = 1.5$$

question 59

Multiple Choice

Find the value of the standard score, z, and determine whether the alternative hypothesis is supported or not supported at a 0.05 significance level.
- $$\mathrm { H } _ { \mathrm { a } } : \mu \neq 23 , \mathrm { n } = 60 , \overline { \mathrm { x } } = 25 , \sigma = 1.5$$

• A) \(z = 10.33\); not supported
• B) \(z = 10.33\); supported
• C) \(\mathrm { z } = - 1.96\); not supported
• D) \(z = 1.5\); not supported

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