According to a survey in a country, 29% of adults do not own a credit card. Suppose a simple random sample of 700 adults is obtained. Complete parts (a) through (d) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). Determine the standard deviation of the sampling distribution of p. (Round to three decimal places as needed.) (b) What is the probability that in a random sample of 700 adults, more than 31% 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 700 adults were obtained, one would expect to result in more than 31% not owning a credit card. (Round to the nearest integer as needed.) (c) What is the probability that in a random sample of 700 adults, between 26% and 31% do not own a credit card? The probability is I Click to select your answer(s). According to a survey in a country, 29% of adults do not own a credit card. Suppose a simple random sample of 700 adults is obtained. Complete parts (a) through (d) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). If 100 different random samples of 700 adults were obtained, one would expect (Round to the nearest integer as needed.) to result in more than 31% not owning a credit card. (c) What is the probability that in a random sample of 700 adults, between 26% and 31% 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 700 adults were obtained, one would expect to result in between 26% and 31% not owning a credit card. (Round to the nearest integer as needed.) (d) Would it be unusual for a random sample of 700 adults to result in 182 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.) O A. The result is unusual because the probability that p is less than or equal to the sample proportion is which is less than 5%. Click to select your answer(s). 8:51 PM

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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According to a survey in a country, 29% of adults do not own a credit card. Suppose a simple random sample of 700 adults is obtained. Complete parts (a) through (d) below.
Click here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2).
Determine the standard deviation of the sampling distribution of p.
(Round to three decimal places as needed.)
(b) What is the probability that in a random sample of 700 adults, more than 31% 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 700 adults were obtained, one would expect to result in more than 31% not owning a credit card.
(Round to the nearest integer as needed.)
(c) What is the probability that in a random sample of 700 adults, between 26% and 31% do not own a credit card?
The probability is I
Click to select your answer(s).
Transcribed Image Text:According to a survey in a country, 29% of adults do not own a credit card. Suppose a simple random sample of 700 adults is obtained. Complete parts (a) through (d) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). Determine the standard deviation of the sampling distribution of p. (Round to three decimal places as needed.) (b) What is the probability that in a random sample of 700 adults, more than 31% 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 700 adults were obtained, one would expect to result in more than 31% not owning a credit card. (Round to the nearest integer as needed.) (c) What is the probability that in a random sample of 700 adults, between 26% and 31% do not own a credit card? The probability is I Click to select your answer(s).
According to a survey in a country, 29% of adults do not own a credit card. Suppose a simple random sample of 700 adults is obtained. Complete parts (a) through (d) below.
Click here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2).
If 100 different random samples of 700 adults were obtained, one would expect
(Round to the nearest integer as needed.)
to result in more than 31% not owning a credit card.
(c) What is the probability that in a random sample of 700 adults, between 26% and 31% 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 700 adults were obtained, one would expect to result in between 26% and 31% not owning a credit card.
(Round to the nearest integer as needed.)
(d) Would it be unusual for a random sample of 700 adults to result in 182 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.)
O A. The result is unusual because the probability that p is less than or equal to the sample proportion is which is less than 5%.
Click to select your answer(s).
8:51 PM
Transcribed Image Text:According to a survey in a country, 29% of adults do not own a credit card. Suppose a simple random sample of 700 adults is obtained. Complete parts (a) through (d) below. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). If 100 different random samples of 700 adults were obtained, one would expect (Round to the nearest integer as needed.) to result in more than 31% not owning a credit card. (c) What is the probability that in a random sample of 700 adults, between 26% and 31% 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 700 adults were obtained, one would expect to result in between 26% and 31% not owning a credit card. (Round to the nearest integer as needed.) (d) Would it be unusual for a random sample of 700 adults to result in 182 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.) O A. The result is unusual because the probability that p is less than or equal to the sample proportion is which is less than 5%. Click to select your answer(s). 8:51 PM
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