1..When asked whether marriage is becoming obsolete,

761

out of

2020

randomly selected adults who responded to a poll said yes. Refer to the output given. Assuming the conditions for the CLT were met, complete parts (a) and (b) below.

a. Report a 95% confidence interval for the proportion. Use correct wording.(Round to three decimal places as needed.)

A.

There is a 95% chance that the population proportion of people who think marriage is obsolete is between

enter your response here

and

enter your response here.

B.

With 95% confidence, the population proportion of people who think marriage is becoming obsolete is between

enter your response here

and

enter your response here.

2..A recent study reported that

30%

of the residents of a particular community lived in poverty. Suppose a random sample of

400

residents of this community is taken. We wish to determine the probability that

34%

or more of our sample will be living in poverty.

a.. Calculate the probability that

34%

or more of the sample will be living in poverty. Assume the sample is collected in such a way that the conditions for using the CLT are met.

Pp0.34=enter your response here

(Round to three decimal places as needed.)