The nearest whole number is 28
Part A. Express the original claim in symbolic form.
Claim: <em>The mean pulse rate (in beats per minute) of adult males is equal to 68.9 bpm.</em>
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<em>Therefore, the original claim in symbolic form is:</em>
ANSWER:

Part B. Identify the null and alternative hypotheses.


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Answer:
A) Cross-sectional
Step-by-step explanation:
A cross-sectional study is a type of study that involves the data i.e. taken from a population for a specific time period.
Here study shows the peoples interest in variables that are be chosen
In the given situation, since a town obtains a data of the current employment for 10,000 of its total citizens
So this represents the cross-sectional
hence, the correct option is A.
Cross-sectional
Answer:
Step-by-step explanation:
A rectangle rotated about an axis creates a cylinder