A Gallup survey indicated that 72% of 18 to 29 year olds, given a choice, would...
A Gallup survey indicated that 72% of 18 to 29 year olds, given a choice, would prefer to start their own business rather than work for someone else. A random sample of 300 18 to 29 year olds is obtained.
a.) In a random sample of 18 to 29 year olds, what is the probability that no more than 75% would prefer to start their own business?
b.) Would it be unusual if a random sample of 300 18 to 29 year olds resulted in 250 or more who would prefer to start their own business? Why or why not?
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A Gallup survey indicated that 72% of 18 to 29 year olds, given
a choice, would...
Roughly half of 18- to 29-year-olds (48%) say they have used an online dating site or...
Roughly half of 18- to 29-year-olds (48%) say they have used an online dating site or app. This is according to a Pew Research Center survey conducted with 802 18- to 29-year-olds Oct. 16 to 28, 2019. The margin of error is 5.4 percentage points at the 95% confidence level. 25. (a) What percent of all 18- to 29-year-olds have used an online dating site or app? (b) Are you 100% certain? (c) If not, how confident are you? 26....
According to a survey in a country, 10% of adults do not own a credit card....
According to a survey in a country, 10% of adults do not own a credit card. Suppose a simple random sample of 300 adults is obtained. Complete parts (a) through (d) below (a) Describe the samping distribution of the sample proportion of adults who do not own a credit card. Choose the phrase that best describes the shape of the sampling diatribution of below. O A. Approximately normal becausens OSN and noft-p) 10 OB. Not normal because ns0.05N and npit-p)<...
According to a survey in a country, 34% of adults do not own a credit card....
According to a survey in a country, 34% of adults do not own a credit card. Suppose a simple random sample of 300 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) the sample proportion of adults who do not own a credit card. Choose the phrase that best describes the shape of the (a) Describe the sampling...
Consider the following example survey results of 18-to 34-year-olds in the United Stat in response to the question...
Consider the following example survey results of 18-to 34-year-olds in the United Stat in response to the question "Are you currently living with your family?": Yes 106 Men Women Totals No 141 161 302 Totals 247 253 500 92 198 a. Develop the joint probability table for these data and use it to answer the following questions. b. What are the marginal probabilities? c. What is the probability of living with family given you are an 18-to 34-year-old man in...
Example: According to a survey in a county, 28% of adults do not own a cell...
Example: According to a survey in a county, 28% of adults do not own a cell phone. Suppose a simple random sample of 200 adults is obtained Is the sampling distribution of normal? Why? What is the probability that in a random sample of 200 adults, more than 30% do not own a cell phone? Interpretation: If 100 random samples off 200 adults were obtained, one would expect 30% not owning a cell phone. to result in more than What...
esale Bottom > Wholesale Fragra... Man Q1. A survey of 500 adults aged 18-29 years of...
esale Bottom > Wholesale Fragra... Man Q1. A survey of 500 adults aged 18-29 years of age revealed that 285 chose to eat fast food for dinner at least once in the past week. Find the sample proportion of individuals surveyed who ate fast food for dinner at least once in the past week. (Hint: p = where x = # of people who have given characteristic (eat fast food) and nis sample size) Q2. Verify two conditions (a) n...
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 own a credit card....
According to a survey in a country, 17% of adults do not own a credit card. Suppose a simple random sample of 900 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 doibution table 2) (a) Describe the sampling dvibution of p, the sample proportion of adults who do not own a credit card Choose the phrase that best dearbes the shape...
According to a survey in a country, 35% of adults do not own a credit card....
According to a survey in a country, 35% of adults do not own a credit card. Suppose a simple random sample of 200 adults is obtained Complete parts (a) through (d) below. (a) Describe the sampling distribution of the sample proportion of adults who do not own a credit card. Choose the phrase that best describes the shape of the sampling distribution of below. O A. Approximately normal because ns 0.05N and np(1-P)< 10 OB. Not normal because ns0.05N and...
According to a survey in a country, 35% of adults do not own a credit card...
According to a survey in a country, 35% of adults do not own a credit card suppose a simple random sample of 200 adus is obtained Complete parts a rough below (a) Descrbe the sampling distribution of the sample proportion of adults who do not own a credit card. Choose the phrase that best describes the shape of the sampling ontbution of below O A. Approximately normal because as 0.05N and p-p}<10 OB. Not normal because no 05 and 1-...
According to a survey in a country, 10% of adults do not own a credit card. Suppose a simple random sample of 300 adults is obtained. Complete parts (a) through (d) below (a) Describe the samping distribution of the sample proportion of adults who do not own a credit card. Choose the phrase that best describes the shape of the sampling diatribution of below. O A. Approximately normal becausens OSN and noft-p) 10 OB. Not normal because ns0.05N and npit-p)<...
According to a survey in a country, 34% of adults do not own a credit card. Suppose a simple random sample of 300 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) the sample proportion of adults who do not own a credit card. Choose the phrase that best describes the shape of the (a) Describe the sampling...
Consider the following example survey results of 18-to 34-year-olds in the United Stat in response to the question "Are you currently living with your family?": Yes 106 Men Women Totals No 141 161 302 Totals 247 253 500 92 198 a. Develop the joint probability table for these data and use it to answer the following questions. b. What are the marginal probabilities? c. What is the probability of living with family given you are an 18-to 34-year-old man in...
Example: According to a survey in a county, 28% of adults do not own a cell phone. Suppose a simple random sample of 200 adults is obtained Is the sampling distribution of normal? Why? What is the probability that in a random sample of 200 adults, more than 30% do not own a cell phone? Interpretation: If 100 random samples off 200 adults were obtained, one would expect 30% not owning a cell phone. to result in more than What...
esale Bottom > Wholesale Fragra... Man Q1. A survey of 500 adults aged 18-29 years of age revealed that 285 chose to eat fast food for dinner at least once in the past week. Find the sample proportion of individuals surveyed who ate fast food for dinner at least once in the past week. (Hint: p = where x = # of people who have given characteristic (eat fast food) and nis sample size) Q2. Verify two conditions (a) n...
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 own a credit card. Suppose a simple random sample of 900 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 doibution table 2) (a) Describe the sampling dvibution of p, the sample proportion of adults who do not own a credit card Choose the phrase that best dearbes the shape...
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According to a survey in a country, 35% of adults do not own a credit card suppose a simple random sample of 200 adus is obtained Complete parts a rough below (a) Descrbe the sampling distribution of the sample proportion of adults who do not own a credit card. Choose the phrase that best describes the shape of the sampling ontbution of below O A. Approximately normal because as 0.05N and p-p}<10 OB. Not normal because no 05 and 1-...
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