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4. (Sec. 7.2) In a survey of 2004 American adults, 501 of them said that they believed in astrology. (a) Calculate and interpret a confidence interval at the 95% confidence level for the proportion of all adult American adults who believe in astrology. (b) Calculate and interpret a 95% lower confidence bound for the proportion of all adult American adults who believe in astrology.

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Parta) Giuen X Total number of Americn adulls surwey e 200t n Numberr of americans believed in astroles we have to cal cn/afe

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