A randomly selected sample of 100 horse owners found that 72 of them feed grass

Question

A randomly selected sample of 100 horse owners found that 72 of them feed grass hay in the morning and alfalfa in the evening to their horses. The value 0.72 represents the:

1.probability that a randomly selected horse owner will feed grass hay in the A.M. and alfalfa in the P.M.

I was thinking it was choice number 3. Is that correct?

1.probability that a randomly selected horse owner will feed grass hay in the A.M. and alfalfa in the P.M.

2.proportion of horse owners in the sample that feed grass hay in the A.M. and alfalfa in the P.M. 3.probability that a horse will be fed grass hay in the A.M. and alfalfa in the P.M. 4.All of the answer choices are correct.

Explanation / Answer

Ans:

sample proportion is a point estimate of the unknown population proportion p,but we can not use as population parameter as p.

So,Option 2 is correct.

proportion of horse owners in the sample that feed grass hay in the A.M. and alfalfa in the P.M.

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