3. A researcher wants to know whether people who regularly listen to radio talk shows are more or less likely to vote in national elections than people in general. a. State the research hypothesis and null hypothesis b. Would the researchers use a one- or two-tailed Z test?

Step-by-step explanation:

A. The null hypothesis is most of the time always the default hypothesis.

In this case study, the null hypothesis is people who regularly listen to radio talk shows vote in national elections as people in general.

While the alternative claim would be: people who regularly listen to radio talk shows are more or less likely to vote in national elections than people in general.

B. Since there are two options in the alternative claim: more or less, the researcher would use a two tailed hypothesis Z test. But if there is only one option, either more or less, then the researcher can use a one tailed Z test.

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step-by-step explanation:

plants store their excess carbohydrate in the form of starch so that it could be used as energy source later on. the excess carbohydrate is converted into starch in the plastid i.e. chloroplast & this process occurs in the presence of sunlight. it is an insoluble polymer of glucose which gets stored in cell organelles named as amyloplasts. in some plants, starch is also stored in roots and embryos.