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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The average number of words in a romance novel is 64,387 and the standard deviation is 17,436. 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( b. Find the proportion of all novels that are between 48,695 and 66,131 words. c. The 95th percentile for novels is words. (Round to the nearest word) d. The middle 80% of romance novels have from words to words. (Round to the nearest word)
A veterinarian recorded how many kittens were born in each litter. This data is summarized in the histogram below. (Note: The last class actually represents "7 or more kittens," not just 7 kittens.) QUESTIONL: What is the frequency of the litter having at most 2 kittens? (PHOTO ATTACHED)
Please answer B, C, & D.
using your calculator find the range and standard deviation, round to 2 decimal places. the table below gives the number of hours spent watching TV last week by a sample of 24 students. 25,45,77,60,46,35,48,41,34,37,83,31,66,27,85,63,25,84,87,93,20,51,46,10
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.)
The (arithmetic) mean height of 50 students of a college is 5' - 8". The height of 30 of these is giveņ in the frequency distribution below. Find the (arithmetic) mean height of the remaining 20 students. Height : Frequency : 5'-4" 5'–6" 5'-8" 5'10" 6'–0" 4 12 4 8 2
The average number of words in a romance novel is 64,177 and the standard deviation is 17,405. 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(____, ______)b. Find the proportion of all novels that are between 48,512 and 60,696 words. _________?c. The 95th percentile for novels is words. (Round to the nearest word)_________?d. The middle 60% of romance novels have from______ words to ______words. (Round to the nearest word)
The average number of kilos of meat a person consumes in a year is 90 kilos. Assume that the standard deviation is 10 kilos and the distribution is approximately normal. If a sample of 45 individuals is selected, find the probability that the mean of the sample will be 87 kilos or greater per year. Express your answer in percent form with 2 decimal places (with percent symbol - e.g. 10.00%) type your answer...
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)
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The average number of kilos of meat a person consumes in a year is 100 kilos. Assume that the standard deviation is 11 kilos and the distribution is approximately normal. If a sample of 40 individuals is selected, find the probability that the mean of the sample will be 105 kilos or greater per year. Express your answer in percent form with 2 decimal places (with the percent symbol - e.g. 10.00%). type your answer... Next
The numbers of courses taught per semester by a random sample of university professors are shown in the histogram. Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set. Make a frequency distribution for the data. X 1 3 f Number of professors 25- 20- 15- 10- 4 20 23 15 1 2 3 4 Number of courses taught per semester

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