The average number of words in a romance novel is 64,078 and the standard deviation is 17,005. Assumethe distribution is normal. Let X be the number of words in a randomly selected romance novel. Round allanswers to 4 decimal places where possible.a. What is the distribution of X? X - N 6407817005b. Find the proportion of all novels that are between 53,875 and 65,779 words.c. The 95th percentile for novels iswords. (Round to the nearest word)d. The middle 70% of romance novels have fromwords towords. (Round to thenearest word)

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Answered: The average number of words in a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Please answer B, C, & D.
Please answer B, C, and D.
Save Suppose a random sample of n = 390 teenagers 13 to 17 years of age was asked if they use social media. Of those surveyed, 276 stated that they do use social media. Find the sample proportion of teenagers 13 to 17 years of age who use social media. The sample proportion is p= (Round to three decimal places as needed.)
Standard Deviation = 4. Set A:10, 15, 21, 24, 32, 39, 46, 54, 58, 62, 66, 70, 75, 80, 85, 90, 95, 100, Set B:90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106 Given the two sets of numbers above: (i). Which set would have a smaller standard deviation? Set A? Set B? (ii). Why? The one which would smaller standard deviation is set A
Please answer and explain #7
Solve A through D
Sketch the distribution and shade the area corresponding to the probability you want to find. Then. find the probability. The average commute time in Orange County is normally distributed and 25% of commuters take more than 30 minutes to commute. The standard deviation of such commutes is 6 minutes. A. What is the average commute time? B. What percentage of commuters takes less than 15 minutes to commute? C. What percentage of commuters takes between 25 and 35 minutes to commute?
87 582 B/s l? 4. Suppose that only 10 students in had taken the Nabatieh campus midterm. Which of the following could be an example of their test scores? Justify by finding their median. а. 97,96,94,90,80,82,68,66,64,62 b. 78,75,78,80,79,81,86,85,88,80
The average number of words in a romance novel is 64,466 and the standard deviation is 17,003. Assume the distribution is normal. Let X be the number of words in a randomly selected romance novel. Round all answers to 4 decimal places where possible.a. What is the distribution of X? X ~ N(Correct,Correct) b. Find the proportion of all novels that are between 69,567 and 78,069 words. Correct c. The 85th percentile for novels is Correct words. (Round to the nearest word)d. The middle 80% of romance novels have from words to words. (Round to the nearest word)
Please answer A, B, & C.
Can you please assist ?
At their inauguration, the ages of the first six (out of a current number of 45) presidents of a certain country were 60, 51, 50, 58, 51, and 55 . Complete parts a and b below. a. Find the mean age at inauguration of the first six presidents. The mean is 54.254.2. (Round to the nearest tenth as needed.) The mean of the most recent six presidents was 51.6. Did the first six presidents tend to be a bit older or a bit younger than the most recent six presidents? older Your answer is correct. younger b. Find the standard deviation of the ages at inauguration of the first six presidents. The standard deviation is nothing. (Round to the nearest tenth as needed.)

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