ParagraphStyles4. Network flow is normally distributed with a mean of 570 bytes/packet and a standarddeviation of 30 bytes/packet.(Round final answers to 4 decimal places)a) Find the probability that network flow would be less than 560 bytes/packet.b) Find the probability that network flow would be more than 600 bytes/packet.c) Find the probability that network flow would be between 580 and 620 bytes/packet.5. Find the equation of the line of best fit for the data below:y302820156.10x124 5o

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Answered: 4. Network flow is normally distributed…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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If the mean of examination scores for two classes of the same level: A and B, in a certain school are 73 and 59 respectively. Find the combined mean score for both classes if there are 25 students in class A and 18 in class B.
The air control informs the pilot of an aircraft about the altitude of the centre of the air corridor of height 100 metres where the aircraft should fly. The deviation, in metres, of the altitude of the aircraft from the given altitude is normally distributed with mean 8 metres, and standard deviation 40 metres. Find the probability that the aircraft flies in the air corridor. Find the probability that the aircraft flies above the air corridor.
Assume that adults have IQ scores that are normally distributed with a mean of μ = 105 and a standard deviation o=15. Find the probability that a randomly selected adult has an IQ between 89 and 121. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ between 89 and 121 is (Type an integer or decimal rounded to four decimal places as needed.)
Suppose that you have a set of data that has a mean of 34 and a standard deviation of 6. a) Is the point 28 above, below, or the same as the mean. How many standard deviations is 28 from the mean. b) Is the point 46 above, below, or the same as the mean. How many standard deviations is 46 from the mean. c) Is the point 43 above, below, or the same as the mean. How many standard deviations is 43 from the mean. d) Is the point 20 above, below, or the same as the mean. How many standard deviations is 20 from the mean.
Please only answer c,d
Observatiom Random numbers. 33 13. 18 2. .3. 4. 43 14 38 14 6. 15 32 41 15 10 12 22 13 32 14 36 15 43 17 36 16 18 22 19 20 32. 21 28 31 34.1 14 22 23 -24 30 -25 26. 12 27 35.9 28 24 29 30 31 32 a5 33 20 34 38-25 35 30 42 26 42 36 31 38 39 29 40. 33 41 130 42 31 43. 44 24 45 22 46. 25 47 48 21 21-75 49 23 so 27
The average number of cavities that thirty-year-old Americans have had in their lifetimes is 5. Do twenty year-olds have fewer cavities? The data show the results of a survey of 15 twenty-year-olds who were asked how many cavities they have had. Assume that the distribution of the population is normal. 3, 4, 4, 4, 5, 5, 6, 4, 5, 4, 3, 5, 6, 5, 3 What can be concluded at the a = 0.05 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? v|| Select an answer H: ?v Select an answer v c. The test statistic ? (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is ? va f. Based on this, we should Select an answer v the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest the populaton mean is significantly less than 5 at o =- 0.05, so there is sufficient evidence to conclude that the population mean number of cavities for…
Assume that adults have IQ scores that are normally distributed with a mean of u = 105 and a standard deviation a = 15. Find the probability that a randomly selected adult has an IQ between 91 and 119. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ between 91 and 119 is. (Type an integer or decimal rounded to four decimal places as needed.) Enter your answer in the answer box. MacBook Air esc 888 %23 & 2 3 4 5 6 7 8 Q E R T Y tab P A D G H caps lock K V в N M > ? control option command command option
Two companies, A and B, drill wells in a rural area. Company A charges a flat fee of 3095 dollars to drill a well regardless of its depth. Company B charges 1180 dollars plus 9 dollars per foot to drill a well. The depths of wells drilled in this area have a normal distribution with a mean of 240 feet and a standard deviation of 35 feet. Find the mean amount charged by Company B to drill a well. Enter the exact answer. μ = i dollars
Find the variance and standard deviation of 10,15,13,12,5. Show your solution.
A professor know that her statistics students' final exam scores have a mean of 79 and a standard deviation of 12.8. In his class, an "A" is any exam score of 90 or higher. This quarter she has 23 students in her class. Wht is the probability that 6 students or more will score an "A" on the final exam?

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