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According to a study by Decision Analyst, 21% of the people who have credit cards are...
According to a survey in a country, 25% of adults do not have any credit cards....
According to a survey in a country, 25% of adults do not have any credit cards. Suppose a simple random sample of 600 adults is obtained. (a) Describe the sampling distribution of p, the sample proportion of adults who do not have a credit card. Choose the phrase that best describes the shape of the sampling distribution of p below. O A. Not normal because ns0.05N and np(1 - p) < 10. B. Approximately normal because ns0.05N and np(1 –...
According to a study conducted in one city, 32% of adults in the city have credit...
According to a study conducted in one city,
32%
of adults in the city have credit card debts of more than
$2000. A simple random sample of
n=200
adults is obtained from the city. Describe the sampling
distribution of
p,
the sample proportion of adults who have credit card debts of
more than $2000. Round to three decimal places when necessary.
Awnser this A B C D pick the correct awnser and make sure it
correct I put it in...
At a major credit card bark, the percentages of people who storically apply for the Silver,...
At a major credit card bark, the percentages of people who storically apply for the Silver, Gold and Platinum cards are 60% 30% and 10% respectively in a recent sample of to a promotion of 200 customers, 100 applied for Silver, 61 for Gold and 39 for Platinum Complete parts a through e below a) Compute the standardized residual for each type of card. Standardized Residual Silver card Gold card DOO Platinum card Round to three decimal places as needed.)...
According to a survey in a country, 17% of adults do not have any credit cards....
According to a survey in a country, 17% of adults do not have any credit cards. Suppose a simple random sample of 300 adults is obtained. Determine 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. (Round to three decimal places as needed.) (b) In a random sample of 300 adults, what is the probability that less than 14% have no credit cards?...
According to a survey in a country, 17% of adults do not have any credit cards....
According to a survey in a country, 17% of adults do not have any credit cards. Suppose a simple random sample of 300 adults is obtained. O B. ApproxImately normal because nsU.U5N and np(1 - p) 2 1U O C. Approximately normal because ns0.05N and np(1 p)< 10 O D. Not normal because ns0.05N and np(1 -p)2 10. Determine the mean of the sampling distribution of p (Round to two decimal places as needed.) Determine the standard deviation of the...
According to a study conducted in one city, 29% of adults in the city have credit...
According to a study conducted in one city, 29% of adults in the city have credit card debts of more than $2000. A simple random sample of n=250 adults is obtained from the city. Describe the sampling distribution of the sample adults who have credit card debts of more than $2000. Round to three decimal places when necessary. proportion O A. Approximately normal; Hp = 0.29, = 0.029 O B. Binomial; p = 72.5, 7.175 OC. Approximately normal; Hp =...
According to a survey in a country, 22% of adults do not have any credit cards....
According to a survey in a country, 22% of adults do not have any credit cards. Suppose a simple random sample of 500 adults is obtained. (a) Describe the sampling distribution of ModifyingAbove p with caretp, the sample proportion of adults who do not have a credit card. Choose the phrase that best describes the shape of the sampling distribution of ModifyingAbove p with caretp below. A.Not normal because n less than or equals 0.05 Upper Nn≤0.05N and np left...
At a major credit card bank, the percentages of people who historically apply for the Silver,...
At a major credit card bank, the percentages of people who historically apply for the Silver, Gold and Platinum cards are 60%, 30% and 10% respectively. In a recent sample of customers responding to a promotion, of 200 customers, 118 applied for Silver, 50 for Gold and 32 for Platinum. Is there evidence to suggest that the percentages for this promotion may be different from the historical proportions? a) What is the expected number of customers applying for each type...
According to a lending institution, students graduating from college have an average credit card debt of...
According to a lending institution, students graduating from college have an average credit card debt of $4100. A random sample of 40 graduating seniors was selected, and their average credit card debt was found to be $4428. Assume the standard deviation for student credit card debt is $1,300. Using alphaαequals=0.01, complete parts a through c. a) Does this sample provide enough evidence to challenge the findings by the lending institution? Determine the null and alternative hypotheses. Upper H 0H0: muμ...
According to a study conducted by a statistical organization, the proportion of people who are satisfied...
According to a study conducted by a statistical organization, the proportion of people who are satisfied with the way things are going in their lives is 0.80. Suppose that a random sample of 100 people is obtained Complete parts (a) through e) below (a) Suppose the random sample of 100 people is asked, "Are you satisfied with the way things are going in your life" is the response to this question qualitative or quantitative? Explain O A The response is...
According to a survey in a country, 25% of adults do not have any credit cards. Suppose a simple random sample of 600 adults is obtained. (a) Describe the sampling distribution of p, the sample proportion of adults who do not have a credit card. Choose the phrase that best describes the shape of the sampling distribution of p below. O A. Not normal because ns0.05N and np(1 - p) < 10. B. Approximately normal because ns0.05N and np(1 –...
According to a study conducted in one city,
32%
of adults in the city have credit card debts of more than
$2000. A simple random sample of
n=200
adults is obtained from the city. Describe the sampling
distribution of
p,
the sample proportion of adults who have credit card debts of
more than $2000. Round to three decimal places when necessary.
Awnser this A B C D pick the correct awnser and make sure it
correct I put it in...
At a major credit card bark, the percentages of people who storically apply for the Silver, Gold and Platinum cards are 60% 30% and 10% respectively in a recent sample of to a promotion of 200 customers, 100 applied for Silver, 61 for Gold and 39 for Platinum Complete parts a through e below a) Compute the standardized residual for each type of card. Standardized Residual Silver card Gold card DOO Platinum card Round to three decimal places as needed.)...
According to a survey in a country, 17% of adults do not have any credit cards. Suppose a simple random sample of 300 adults is obtained. Determine 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. (Round to three decimal places as needed.) (b) In a random sample of 300 adults, what is the probability that less than 14% have no credit cards?...
According to a survey in a country, 17% of adults do not have any credit cards. Suppose a simple random sample of 300 adults is obtained. O B. ApproxImately normal because nsU.U5N and np(1 - p) 2 1U O C. Approximately normal because ns0.05N and np(1 p)< 10 O D. Not normal because ns0.05N and np(1 -p)2 10. Determine the mean of the sampling distribution of p (Round to two decimal places as needed.) Determine the standard deviation of the...
According to a study conducted in one city, 29% of adults in the city have credit card debts of more than $2000. A simple random sample of n=250 adults is obtained from the city. Describe the sampling distribution of the sample adults who have credit card debts of more than $2000. Round to three decimal places when necessary. proportion O A. Approximately normal; Hp = 0.29, = 0.029 O B. Binomial; p = 72.5, 7.175 OC. Approximately normal; Hp =...
At a major credit card bank, the percentages of people who historically apply for the Silver, Gold and Platinum cards are 60%, 30% and 10% respectively. In a recent sample of customers responding to a promotion, of 200 customers, 118 applied for Silver, 50 for Gold and 32 for Platinum. Is there evidence to suggest that the percentages for this promotion may be different from the historical proportions? a) What is the expected number of customers applying for each type...
According to a study conducted by a statistical organization, the proportion of people who are satisfied with the way things are going in their lives is 0.80. Suppose that a random sample of 100 people is obtained Complete parts (a) through e) below (a) Suppose the random sample of 100 people is asked, "Are you satisfied with the way things are going in your life" is the response to this question qualitative or quantitative? Explain O A The response is...
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