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1. Consider a population with u=74.5 and Q=3.04 . (A) Calculate
1. Consider a population with u=74.5 and Q=3.04 . (A) Calculate the z-score for x=75.7 from a sample of size 18. (B) Could this z-score be used in calculating probabilities using Table 3 in Appendix B… read more
Osbert12
Osbert12
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1. Consider a population with μ =53.1 and σ=4.43. (A) Calculate
1. Consider a population with μ =53.1 and σ=4.43. (A) Calculate the z-score for x=49.8 from a sample of size 11. (B) Could this z-score be used in calculating probabilities using Table 3 in Appendix B… read more
Osbert12
Osbert12
Master's Degree
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For Steve: A researcher is interested in estimating the noise
For Steve: A researcher is interested in estimating the noise levels in decibels at area urban hospitals. She wants to be 98% confident that her estimate is correct. If the standard deviation is 5.09,… read more
Stevewh
Stevewh
Teacher
Bachelor's Degree
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1. In the formula for the Confidence Interval for the Mean,
1. In the formula for the Confidence Interval for the Mean, what symbol(s) represents the Maximum Error of Estimate? 2. If a population has a standard deviation σ of 18.2 units, what is the standard e… read more
Scott
Scott
MIT Graduate
Master's Degree
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Please show all work Bonus will be given 1. Consider a population
Please show all work: Bonus will be given 1. Consider a population with µ=65.7 and σ=5.52 . (A) Calculate the z-score for xbar = 63.1 from a sample of size 13. (B) Could this z-score be used in calcul… read more
dhouse1940
dhouse1940
Retired
Master's Degree
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1) A sample of 135 golfers showed that their average score
1) A sample of 135 golfers showed that their average score on a particular golf course was 85.83 with a standard deviation of 4.96. Answer each of the following (show all work and state the final answ… read more
Osbert12
Osbert12
Master's Degree
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5. The diameters of grapefruits in a certain orchard are normally
5. The diameters of grapefruits in a certain orchard are normally distributed with a mean of 5.97 inches and a standard deviation of 0.69 inches. Show all work. (A) What percentage of the grapefruits … read more
Chirag
Chirag
Master's Degree
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Assume that the population of heights of male college students
Assume that the population of heights of male college students is approximately normally distributed with mean m of 70.63 inches and standard deviation s of 6.47 inches. A random sample of 88 heights … read more
David
David
Post-Doctoral Degree
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4. Assume that the population of heights of male college students
4. Assume that the population of heights of male college students is approximately normally distributed with mean µ of 69.09 inches and standard deviation s of 4.71 inches. A random sample of 92 heigh… read more
Chirag
Chirag
Master's Degree
10,329 satisfied customers
Statistics Homework I desperately need help with these two
Statistics Homework I desperately need help with these two problems. I am completely lost. 4. Assume that the population of heights of female college students is approximately normally distributed wit… read more
Sandhya
Sandhya
Master's Degree
5,928 satisfied customers
1. Given a level of confidence of 95% and a population standard
1. Given a level of confidence of 95% and a population standard deviation of 8, answer the following: (A) What other information is necessary to find the sample size (n)? (B) Find the Maximum Error of… read more
Osbert12
Osbert12
Master's Degree
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1.Consider a population with a mean 99.4 and standard deviation
3. A sample of 83 golfers showed that their average score on a particular golf course was 84.81 with a standard deviation of 5.99. Answer each of the following (show all work) and state the final answ… read more
dhouse1940
dhouse1940
Retired
Master's Degree
625 satisfied customers
1.Consider a population with a mean 99.4 and standard deviation
1.Consider a population with a mean= 99.4 and standard deviation= 5.55. (A)Calculate the z-score for /x= 97.3 from a sample of size 38. Use the formula z = (xbar – miu) / (std dev / sqrt n) (B) Could … read more
Stevewh
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
1. Consider a population with a mean of 93.3 and a standard
1. Consider a population with a mean of 93.3 and a standard deviation of 5.27. (A) Calculate the z-score for x¯ = 94.9 from a sample of size 12. (B) Could this z-score be used in calculating probabili… read more
Osbert12
Osbert12
Master's Degree
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Just need to check 2 - 6, thanks in advance 2. Given a level
Just need to check 2 - 6, thanks in advance 2. Given a level of confidence of 95% and a population standard deviation of 13, answer the following: (A) What other information is necessary to find the s… read more
Osbert12
Osbert12
Master's Degree
2,468 satisfied customers
. The diameters of grapefruits in a certain orchard are normally
Given a level of confidence of 95% and a population standard deviation of 7, answer the following: (A) What other information is necessary to find the sample size (n)? (B) Find the Maximum Error of Es… read more
Chirag
Chirag
Master's Degree
10,329 satisfied customers
$15 for whoever wants to do these problems 1. Consider a
$15 for whoever wants to do these problems 1. Consider a population with mu=59.6 and standard deviation of 3.45 (A) Calculate the z-score for xbar= 60.7 from a sample of size 15. (B) Could this z-scor… read more
Osbert12
Osbert12
Master's Degree
2,468 satisfied customers
1. Consider a population with 77.6 and 5.63. (A) Calculate
1. Consider a population with µ= 77.6 and s = 5.63. (A) Calculate the z-score for x ¯ = 76.1 from a sample of size 52. (B) Could this z-score be used in calculating probabilities using Table 3 in Appe… read more
Osbert12
Osbert12
Master's Degree
2,468 satisfied customers
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