Find the Value of the Standard Score, Z, and Determine $$\mathrm { H } _ { \mathrm { a } } : \mu > 50 , \mathrm { n } = 55 , \overline { \mathrm { x } } = 51 , \sigma = 3.6$$

question 4

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.
- $$\mathrm { H } _ { \mathrm { a } } : \mu > 50 , \mathrm { n } = 55 , \overline { \mathrm { x } } = 51 , \sigma = 3.6$$

• A) \(z = 3.29\); not supported
• B) \(z = 6.25\); supported
• C) \(z = 2.06\); supported
• D) \(z = 2.06\); not supported

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Definitions:

Accounts Payable

Money owed by a company to its creditors for goods or services that have been delivered or used, but not yet paid for.

Accounts Receivable Turnover

A financial ratio that indicates how efficiently a company collects its receivables or the money owed by customers, calculated by dividing net credit sales by average accounts receivable.

Sales on Account

Transactions where goods are sold and payment is to be made at a later date, often recognized as accounts receivable.

Cost of Goods Sold

An accounting term representing the direct costs attributable to the production of the goods sold in a company, including materials and labor.