A company believes that it controls more than 30% of the total market share for one...

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A company believes that it controls more than 30% of the total market share for one of its products. To prove this belief, a random sample of 144 purchases of this product is contacted. It is found that 50 of the 144 purchased this company's brand of the product. If a researcher wants to conduct a statistical test for this problem, the test would be _. a finite sample test a finite population test a two-tailed test O an alpha test O a one-tailed test A company believes that it controls more than 30% of the total market share for one of its products. To prove this belief, a random sample of 144 purchases of this product is contacted. It is found that 50 of the 144 purchased this company's brand of the product. If a researcher wants to conduct a statistical test for this problem, the test would be _. a finite sample test a finite population test a two-tailed test O an alpha test O a one-tailed test