According to a survey in a country, 19% of adults do not own a credit card. Suppose a simple random sample of 400FREDetermine the standard deviation of the sampling distribution of p.(A = (Round to three decimal places as needed.)(b) What is the probability that in a random sample of 400 adults, more than 21% do not own a credit card?The probability is(Round to four decimal places as needed.)Interpret this probability.If 100 different random samples of 400 adults were obtained, one would expect to result in more than 21% notowning a credit card.(Round to the nearest integer as needed.)(c) What is the probability that in a random sample of 400 adults, between 16% and 21% do not own a credit card?The probability is(Round to four decimal nlaces as needed)According to a survey in a country, 19% of adults do not own a credit card. Suppose a simple random sample of 400KYRIIf 100 different random samples of 400 adults were obtained, one would expect to result in between 16% and21% not owning a credit card.(Round to the nearest integer as needed.)(d) Would it be unusual for a random sample of 400 adults to result in 64 or fewer who do not own a credit card?Why? Select the correct choice below and fill in the answer box to complete your choice.(Round to four decimal places as needed.)OA. The result is not unusual because the probability that p is less than or equal to the sample proportion iswhich is less than 5%.OB. The result is unusual because the probability that p is less than or equal to the sample proportion iswhich is less than 5%.C. The result is unusual because the probability that p is less than or equal to the sample proportion iswhich is greater than 5%.OD. The result is not unusual because the probability that p is less than or equal to the sample proportion iswhich is greater than 5%. According to a survey in a country, 19% of adults do not own a credit card. Suppose a simple random sample of 400adults is obtained. Complete parts (a) through (d) below.(a) Describe the sampling distribution of p, the sample proportion of adults who do not own a credit card. Choose thephrase that best describes the shape of the sampling distribution of p below.OA. Not normal because n ≤0.05N and np(1-p)

Question

According to a survey in a country, 19% of adults do not own a credit card. Suppose a simple random sample of 400FREDetermine the standard deviation of the sampling distribution of p.(A = (Round to three decimal places as needed.)(b) What is the probability that in a random sample of 400 adults, more than 21% do not own a credit card?The probability is(Round to four decimal places as needed.)Interpret this probability.If 100 different random samples of 400 adults were obtained, one would expect to result in more than 21% notowning a credit card.(Round to the nearest integer as needed.)(c) What is the probability that in a random sample of 400 adults, between 16% and 21% do not own a credit card?The probability is(Round to four decimal nlaces as needed)According to a survey in a country, 19% of adults do not own a credit card. Suppose a simple random sample of 400KYRIIf 100 different random samples of 400 adults were obtained, one would expect to result in between 16% and21% not owning a credit card.(Round to the nearest integer as needed.)(d) Would it be unusual for a random sample of 400 adults to result in 64 or fewer who do not own a credit card?Why? Select the correct choice below and fill in the answer box to complete your choice.(Round to four decimal places as needed.)OA. The result is not unusual because the probability that p is less than or equal to the sample proportion iswhich is less than 5%.OB. The result is unusual because the probability that p is less than or equal to the sample proportion iswhich is less than 5%.C. The result is unusual because the probability that p is less than or equal to the sample proportion iswhich is greater than 5%.OD. The result is not unusual because the probability that p is less than or equal to the sample proportion iswhich is greater than 5%. According to a survey in a country, 19% of adults do not own a credit card. Suppose a simple random sample of 400adults is obtained. Complete parts (a) through (d) below.(a) Describe the sampling distribution of p, the sample proportion of adults who do not own a credit card. Choose thephrase that best describes the shape of the sampling distribution of p below.OA. Not normal because n ≤0.05N and np(1-p) < 10OB. Not normal because n ≤0.05N and np(1-p)2 10OC. Approximately normal because n ≤0.05N and np(1-p) 210OD. Approximately normal because n≤0.05N and np(1-p) < 10Determine the mean of the sampling distribution of p.HA=(Round to two decimal places as needed.)Determine the standard deviation of the sampling distribution of p.

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