Whether they are eligible for the promotion or not depends exclusively on the payment terms they accept at the moment of acquiring the products. First of all, these promotions normally apply if the customer makes the purchase with a credit card. Secondly, if the customer accepts to pay the total amount in installments equal to 24 months or more, then they will be eligible for the free money promotion. However, the amount of interest paid at the end of this period will be higher in comparison to the amount that would have been paid if they paid it in a smaller period of time.
Answer: option C: Problem of self-selection into groups
Explanation:
Correlational research method is normally used to know whether two variables that is been understudy are related and then predictions are usually made on the basis or result of this relationship. correlational research predictive capabilities is its powers.
A correlational study usually and only used to depite or describe or predict behavior but usually not to explain it.
correlation is restricted due to the fat that in establishing the existence of a relationship, it reveals minute or small details about cause and effect.
Correlational studies are prone usually to bad or faulty interpretation due to the groups it is being compared through self-selection is formed.selection bias is another name for it. When studing cause cause they are unable to alter, they do use correlational designs that see or process the relationships between variables.
Answer:
The economy of the Chesapeake Bay region has always been self sufficient and was helped by trading and stealing from the Native American people they encountered.
1- The correct answer is A. For resonance to occur, the object must experience a frequency equal to its natural frequency.
The resonance is a phenomenon that occurs when a body capable of vibrating is subjected to the action of a periodic force, whose vibration period approaches the characteristic period of vibration of said body.
2- The correct answer is A. When tightening a string on a guitar, its natural frequency increases.
3- The correct answer is D. Resonance in air columns is used in trumpets.
A trumpet exhibits natural resonance frequencies, which follow a harmonic sequence, quite close to the tenth harmonic.
4- The correct answer is D. The term that describes the number of crests that pass a point in a given amount of time is frequency.
Frequency is a quantity that measures the number of repetitions per unit of time of any phenomenon or periodic event.
5- The correct answer is C. A human could detect a sound frequency of 50 hertz, as the human ear has a limited range of perception, which very roughly (since it varies in each individual and with age for only one) ranges from 20 Hz to 20,000 Hz.
