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4. (6 points) The incomes in a certain large population of college teachers are distributed with...
dPrint Hide email 1) The incomes in a certain large population of high school teachers has...
dPrint Hide email 1) The incomes in a certain large population of high school teachers has a mean income μ-$70,000 and standard deviation σ-S6, 000. 50 teachers are selected at random from this population for a survey a) (5 pts) Based on the central limit theorem we would expect the distribution of the sample mean incomes to be approximately b) (5 pts) What is the mean of the sampling distribution of the mean (x )? c) (5 pts) What is...
Data on salaries in the public school system are published annually by a teachers' association. The...
Data on salaries in the public school system are published annually by a teachers' association. The mean annual salary of public) classroom teachers is 557.7 thousand. Assume a standard deviation of $8.4 thousand. Complete parts (a) through (e) below a. Determine the sampling distribution of the sample mean for samples of size 64. The mean of the sample mean is Hy = $(Type an integer or a decimal. Do not round.) The standard deviation of the sample mean is =$(Type...
The weights of people in a certain population are normally distributed with a mean of 154...
The weights of people in a certain population are normally distributed with a mean of 154 lb and a standard deviation of .22 lb. Find the mean and standard error of the mean for this sampling distribution when using random samples of size 6. Round the answers to the nearest hundredth.
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 $50000 and a standard deviation of $5000. We randomly survey 10 teachers from that district, let X be the salary of a randomly selected teacher at State, and let X be the average salary of 10 randomly selected teachers a. (3%) x ~ Cpick one) : b. (3%) 8 ~ I(pick one): (3%) Find the probability that an individual teacher earns more than...
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...
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%)...
Random samples of size 36 are taken from a large population whose mean is 120 and...continues
Random samples of size 36 are taken from a large population whose mean is 120 and standard deviation is 39. The mean and standard error of the sampling distribution ofsample mean, respectively, are:
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...
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...
dPrint Hide email 1) The incomes in a certain large population of high school teachers has a mean income μ-$70,000 and standard deviation σ-S6, 000. 50 teachers are selected at random from this population for a survey a) (5 pts) Based on the central limit theorem we would expect the distribution of the sample mean incomes to be approximately b) (5 pts) What is the mean of the sampling distribution of the mean (x )? c) (5 pts) What is...
Data on salaries in the public school system are published annually by a teachers' association. The mean annual salary of public) classroom teachers is 557.7 thousand. Assume a standard deviation of $8.4 thousand. Complete parts (a) through (e) below a. Determine the sampling distribution of the sample mean for samples of size 64. The mean of the sample mean is Hy = $(Type an integer or a decimal. Do not round.) The standard deviation of the sample mean is =$(Type...
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 $50000 and a standard deviation of $5000. We randomly survey 10 teachers from that district, let X be the salary of a randomly selected teacher at State, and let X be the average salary of 10 randomly selected teachers a. (3%) x ~ Cpick one) : b. (3%) 8 ~ I(pick one): (3%) Find the probability that an individual teacher earns more than...
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...
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%)...
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...
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...
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