Find the Value of the Test Statistic $z$ Using $z = \frac { \hat { p } - p } { \sqrt { \frac { p q } { n } } }$

question 45

Multiple Choice

Find the value of the test statistic $z$ using $z = \frac { \hat { p } - p } { \sqrt { \frac { p q } { n } } }$ . The claim is that the proportion of
drowning deaths of children attributable to beaches is more than $0.25$ , and the sample statistics include $\mathrm { n } = 696$ drowning deaths of children with $30 \%$ of them attributable to beaches.

• A) \(2.88\)
• B) \(3.05\)
• C) \(- 3.05\)
• D) \(- 2.88\) .

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Definitions:

Retentive

Memory or functions in a control system that retain their value or state even after the system is powered down or rebooted.

Nonretentive

In PLC programming, a term referring to memory or data that is not retained after power loss.

Retentive Timer Reset

A function in PLC programming that allows a timer to retain its accumulated value even after a reset condition has been removed or power to the PLC has been cycled.

Timer Resets

The process of returning a timer to its initial state or set value in control systems or programming.