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Seventy percent of adults favor some kind of government control on the prices of medicines. A...

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Basic Math

Seventy percent of adults favor some kind of government controlon the prices of medicines. A random sample of 400 adults wasselected to determine whether or not they favor some kind ofgovernment control.

(a) Are the conditions necessary to apply the CLT satisfied?Explain.

(b)Describe and sketch the sampling distribution of the sampleproportion in this situation.

(c) Find the probability that the proportion of adults who favorsome kind of government control is less than 0.65.

(d)Find the probability that the proportion is between 0.73 and0.76.

Answer & Explanation Solved by verified expert
3.6 Ratings (381 Votes)
We have given p 070 and n 400a np 400070 280n1p 4001 070 120Since np and n1p are both greater than 10 so condition    See Answer
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