According to a recent survey, the salaries of assistant professors have a mean of $41,750 and...
According to a recent survey, the salaries of assistant professors have a mean of
$41,750
and a standard deviation of
$7000
. Assuming that the salaries of assistant professors follow a normal distribution, find the proportion of assistant professors who earn less than
$50,000
. Round your answer to at least four decimal places.
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According to a recent survey, the salaries of assistant
professors have a mean of
$41,750
and...
According to a recent survey, the salaries of assistant professors have a mean of $41,750 and...
According to a recent survey, the salaries of assistant professors have a mean of $41,750 and a standard deviation of $7500. Assuming that the salaries of assistant professors follow a normal distribution, find the proportion of assistant professors who earn at most $40,000. Round your answer to at least four decimal places. 5 ?
STAZ2023-TR 12:30-145 0585) Spg 2019 (2192 Quiz Chapters 5.6 | 7of10 = Time Remaining 54:21 340000...
STAZ2023-TR 12:30-145 0585) Spg 2019 (2192 Quiz Chapters 5.6 | 7of10 = Time Remaining 54:21 340000 According to a recent survey, the salaries of assistant professors have a mean of $40,756 and a standard devlation of $7500. Assuming that the salaries f assistant professors follow a normal distribution, find the propéition of assistant professors who ean more than $42,000. Round your answer to at least four decimal places. Subemt Ang worked Exsmple
Problem 2 Salaries for new assistant professors at State College are normally distributed with a mean...
Problem 2 Salaries for new assistant professors at State College are normally distributed with a mean of $80000 and a standard deviation of $7000 We randomly survey 20 teachers from that district, let X be the salary of a randomly selected teacher at State, and let X be the average salary of 20 randomly selected teachers bxpan a.(3%)X~ b, (3%)8~ (3%) Normal Norma, D Find the probability that an individual teacher earns more than $65,000. P(X> 65000) d. (3%) Find...
Problem 2 Salaries for new assistant professors at State College are normally distributed with a mean...
Problem 2 Salaries for new assistant professors at State College are normally distributed with a mean of $80000 and a standard deviation of $7000 We randomly survey 20 teachers from that district, let X be the salary of a randomly selected teacher at State, and let X be the average salary of 20 randomly selected teachers b. (3%) 8 ~ Ipick one, B ( c. (396) Find the probability that an individual teacher earns more than $65,000. P(X> 65000) d....
Problem 2 Salaries for new assistant professors at State College are normally distributed with a mean...
Problem 2 Salaries for new assistant professors at State College are normally distributed with a mean of $80000 and a standard deviation of $7000 We randomly survey 20 teachers from that district, let X be the salary of a randomly selected teacher at State, and let X be the average salary of 20 randomly selected teachers Expand All c. d3%) Find the probablity that ㄺ individual teacher earns more than $65,000. X> 65000) d. (3) Fied the probablity that the...
Problem 2 Salaries for new assistant professors at State College are normally distributed with a mean...
Problem 2 Salaries for new assistant professors at State College are normally distributed with a mean of $80000 and a standard deviation of $7000 We randomly survey 20 teachers from that district, let X be the salary of a randomly selected teacher at State, and let X be the average salary of 20 randomly selected teachers X- a. (3%) b. (3%) c. (396) (pick one) B X ~ tpick one, B Frd the probability that an individual teacher earns more...
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 survey of 25,000 households. 49% of the people watching a special event on...
According to a survey of 25,000 households. 49% of the people watching a special event on TV enoyed the commercials more than the event tsell. Complete parts a through e below based on a random sample of nine people who watched the special event a. What is the probability that exactly three people enjoyed the commercials more than the event? The probability is (Round to four decimal places as needed) b. What is the probability that less than four people...
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?...
Salaries for new assistant professors at State College are normally distributed with a mean of $70000...
Salaries for new assistant professors at State College are normally distributed with a mean of $70000 and a standard deviation of S6000. We randomly survey 30 teachers from that district, let X be the salary of a randomly selected teacher at State, and let X be the average salary of 30 randomly selected teachers a. (3%) (pick one) b. (3%) X~(pick one) C. (3%) Find the probability that an individual teacher earns more than $65,000 P(X > 65000)- d. (3%)...
According to a recent survey, the salaries of assistant professors have a mean of $41,750 and a standard deviation of $7500. Assuming that the salaries of assistant professors follow a normal distribution, find the proportion of assistant professors who earn at most $40,000. Round your answer to at least four decimal places. 5 ?
STAZ2023-TR 12:30-145 0585) Spg 2019 (2192 Quiz Chapters 5.6 | 7of10 = Time Remaining 54:21 340000 According to a recent survey, the salaries of assistant professors have a mean of $40,756 and a standard devlation of $7500. Assuming that the salaries f assistant professors follow a normal distribution, find the propéition of assistant professors who ean more than $42,000. Round your answer to at least four decimal places. Subemt Ang worked Exsmple
Problem 2 Salaries for new assistant professors at State College are normally distributed with a mean of $80000 and a standard deviation of $7000 We randomly survey 20 teachers from that district, let X be the salary of a randomly selected teacher at State, and let X be the average salary of 20 randomly selected teachers bxpan a.(3%)X~ b, (3%)8~ (3%) Normal Norma, D Find the probability that an individual teacher earns more than $65,000. P(X> 65000) d. (3%) Find...
Problem 2 Salaries for new assistant professors at State College are normally distributed with a mean of $80000 and a standard deviation of $7000 We randomly survey 20 teachers from that district, let X be the salary of a randomly selected teacher at State, and let X be the average salary of 20 randomly selected teachers b. (3%) 8 ~ Ipick one, B ( c. (396) Find the probability that an individual teacher earns more than $65,000. P(X> 65000) d....
Problem 2 Salaries for new assistant professors at State College are normally distributed with a mean of $80000 and a standard deviation of $7000 We randomly survey 20 teachers from that district, let X be the salary of a randomly selected teacher at State, and let X be the average salary of 20 randomly selected teachers Expand All c. d3%) Find the probablity that ㄺ individual teacher earns more than $65,000. X> 65000) d. (3) Fied the probablity that the...
Problem 2 Salaries for new assistant professors at State College are normally distributed with a mean of $80000 and a standard deviation of $7000 We randomly survey 20 teachers from that district, let X be the salary of a randomly selected teacher at State, and let X be the average salary of 20 randomly selected teachers X- a. (3%) b. (3%) c. (396) (pick one) B X ~ tpick one, B Frd the probability that an individual teacher earns more...
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 survey of 25,000 households. 49% of the people watching a special event on TV enoyed the commercials more than the event tsell. Complete parts a through e below based on a random sample of nine people who watched the special event a. What is the probability that exactly three people enjoyed the commercials more than the event? The probability is (Round to four decimal places as needed) b. What is the probability that less than four people...
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?...
Salaries for new assistant professors at State College are normally distributed with a mean of $70000 and a standard deviation of S6000. We randomly survey 30 teachers from that district, let X be the salary of a randomly selected teacher at State, and let X be the average salary of 30 randomly selected teachers a. (3%) (pick one) b. (3%) X~(pick one) C. (3%) Find the probability that an individual teacher earns more than $65,000 P(X > 65000)- d. (3%)...
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