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The length of maternity stay in U.S. hospitals is normally distributed, with mean of 3.5 days...
Problem 4 The length of maternity stay in U.S. hospitals is normally distributed, with mean of...
Problem 4 The length of maternity stay in U.S. hospitals is normally distributed, with mean of 2.6 days and a standard deviation of 0.5 days. We randomly survey 89 women who recently bore children in U.S. hospitals. Let X = maternity stay in U.S. hospital, and X = average maternity stay for a sample of size 89 a. X (pick one) ) b. X (pick one) . с. What is the probability that the average stay is more than 3...
Problem 3 The length of matermity stay in US. hospitals is normally distributed. with mean of...
Problem 3 The length of matermity stay in US. hospitals is normally distributed. with mean of 2.5 days and a standard deviation of 1.2 days. survey 68 women who recently bore children in U.S, hospitals Let X maternity stay in U.S. hospital, and X average maternity stay for a sample of size 68 a (30) X pick one) b. (30) x ~ | (pick one" l ( c (40) Which of the following is more likely? O an individual stays...
Course Report! MathLynx Onlire × Cumulative Chapter Seen Evalu x e Get Homework Help With Cheg × ...
Course Report! MathLynx Onlire × Cumulative Chapter Seen Evalu x e Get Homework Help With Cheg × collab stat clt eval cum?mode evalicourse id-79 Paused Problem 3 The length of maternity stay in U.S. hospitals is normally distributed, with mean of 2.7 days and a standard deviation of 1.2 days. We randomly survey 83 women who recently hore children in U.S. hospitals. let X-maternity stay in U.S. hospital, andXaverage maternity stay for a sample of size 83 a. (30) Xpick...
2. A study of Pennsylvania hospitals showed that the mean patient length of stay in 2001...
2. A study of Pennsylvania hospitals showed that the mean patient length of stay in 2001 was 4.87 days with a standard deviation of 0.97 days. Assume that the distribution of patient length of stay is normally distributed. Sketch an appropriate GRAPH for EACH PART and shade appropriately region. Round to 4 decimal places. (3 points each) a) Find the probability that a randomly selected patient has a length of stay of greater than 7days. b) What is the probability...
A study of Pennsylvania hospitals showed that the mean patient length of stay in 2001 was...
A study of Pennsylvania hospitals showed that the mean patient length of stay in 2001 was 4.87 days, with a standard deviation of 0.97 day. Assume that the distribution of patient length of stays is normal. Question 2 (4 points) What is the probability that a randomly selected patient has a length of stay less than 6 days? 0.9732 0.0268 0.8780 O 0.9941 0.1220 0.0059 0.9861 0.0139
Q1. The length of human pregnancies are approximately normally distributed with a mean of μ=266 days...
Q1. The length of human pregnancies are approximately normally distributed with a mean of μ=266 days and standard deviation σ=16 days. What percent of pregnancies last between 240 and 280days? Give your answer to the nearest 1%. ____% Q2. According to data from the U.S. Geological Survey, the magnitude of earthquakes in California since 1900 that measure 0.1 or higher on the Richter scale is approximately normally distributed with a mean of μ=6.2 and standard deviation σ=0.5. Determine the 15th...
8. The lengths of pregnancies are normally distributed with a mean of 267 days and a...
8. The lengths of pregnancies are normally distributed with a mean of 267 days and a standard deviation of 15 days. (a) Find the probability that an individual woman has a pregnancy shorter than 259 days. (b) If 36 women are randomly selected, find the probability that they have a mean preg- nancy shorter than 259 days. (c) There should be a difference in your method for the previous two questions. Explain what you did differently for each problem and...
8. The lengths of pregnancies are normally distributed with a mean of 267 days and a...
8. The lengths of pregnancies are normally distributed with a mean of 267 days and a standard deviation of 15 days. (a) Find the probability that an individual woman has a pregnancy shorter than 259 days. (b) If 36 women are randomly selected, find the probability that they have a mean preg- nancy shorter than 259 days. (c) There should be a difference in your method for the previous two questions. Explain what you did differently for each problem and...
The length of a single pregnancy is normally distributed with a mean of 268 days and...
The length of a single pregnancy is normally distributed with a mean of 268 days and standard deviation 7 days. a. b. c. d. What is the probability that a single pregnancy lasts between 255 and 280 days? What is the probability that a single pregnancy lasts longer than 275 days? 15% of single pregnancy babies have been born at or before what day? What is the probability that exactly 1 of a sample of 4 women with a single...
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%)...
Problem 4 The length of maternity stay in U.S. hospitals is normally distributed, with mean of 2.6 days and a standard deviation of 0.5 days. We randomly survey 89 women who recently bore children in U.S. hospitals. Let X = maternity stay in U.S. hospital, and X = average maternity stay for a sample of size 89 a. X (pick one) ) b. X (pick one) . с. What is the probability that the average stay is more than 3...
Problem 3 The length of matermity stay in US. hospitals is normally distributed. with mean of 2.5 days and a standard deviation of 1.2 days. survey 68 women who recently bore children in U.S, hospitals Let X maternity stay in U.S. hospital, and X average maternity stay for a sample of size 68 a (30) X pick one) b. (30) x ~ | (pick one" l ( c (40) Which of the following is more likely? O an individual stays...
Course Report! MathLynx Onlire × Cumulative Chapter Seen Evalu x e Get Homework Help With Cheg × collab stat clt eval cum?mode evalicourse id-79 Paused Problem 3 The length of maternity stay in U.S. hospitals is normally distributed, with mean of 2.7 days and a standard deviation of 1.2 days. We randomly survey 83 women who recently hore children in U.S. hospitals. let X-maternity stay in U.S. hospital, andXaverage maternity stay for a sample of size 83 a. (30) Xpick...
2. A study of Pennsylvania hospitals showed that the mean patient length of stay in 2001 was 4.87 days with a standard deviation of 0.97 days. Assume that the distribution of patient length of stay is normally distributed. Sketch an appropriate GRAPH for EACH PART and shade appropriately region. Round to 4 decimal places. (3 points each) a) Find the probability that a randomly selected patient has a length of stay of greater than 7days. b) What is the probability...
A study of Pennsylvania hospitals showed that the mean patient length of stay in 2001 was 4.87 days, with a standard deviation of 0.97 day. Assume that the distribution of patient length of stays is normal. Question 2 (4 points) What is the probability that a randomly selected patient has a length of stay less than 6 days? 0.9732 0.0268 0.8780 O 0.9941 0.1220 0.0059 0.9861 0.0139
8. The lengths of pregnancies are normally distributed with a mean of 267 days and a standard deviation of 15 days. (a) Find the probability that an individual woman has a pregnancy shorter than 259 days. (b) If 36 women are randomly selected, find the probability that they have a mean preg- nancy shorter than 259 days. (c) There should be a difference in your method for the previous two questions. Explain what you did differently for each problem and...
8. The lengths of pregnancies are normally distributed with a mean of 267 days and a standard deviation of 15 days. (a) Find the probability that an individual woman has a pregnancy shorter than 259 days. (b) If 36 women are randomly selected, find the probability that they have a mean preg- nancy shorter than 259 days. (c) There should be a difference in your method for the previous two questions. Explain what you did differently for each problem and...
The length of a single pregnancy is normally distributed with a mean of 268 days and standard deviation 7 days. a. b. c. d. What is the probability that a single pregnancy lasts between 255 and 280 days? What is the probability that a single pregnancy lasts longer than 275 days? 15% of single pregnancy babies have been born at or before what day? What is the probability that exactly 1 of a sample of 4 women with a single...
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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