Question: According to a study done by the Pew Research Center, 39% of adult Americans believe that marriage is now obsolete. (a) Suppose a random sample

According to a study done by the Pew Research Center, 39% of adult Americans believe that marriage is now obsolete.

(a) Suppose a random sample of 500 adult Americans is asked whether marriage is obsolete. Describe the sampling distribution of , the proportion of adult Americans who believe marriage is obsolete.

(b) What is the probability that in a random sample of 500 adult Americans less than 38% believe that marriage is obsolete?

(c) What is the probability that in a random sample of 500 adult Americans between 40% and 45% believe that marriage is obsolete?

(d) Would it be unusual for a random sample of 500 adult Americans to result in 210 or more who believe marriage is obsolete?

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