The average number of words in a romance novel is 64,283 and the standard deviation is 17,032. 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. b. Find the proportion of all novels that are between 65,986 and 77,908 words. c. The 85th percentile for novels is  words. (Round to the nearest word) d. The middle 70% of romance novels have from  words to  words. (Round to the nearest word

Q: Use the standard normal table to find the​ z-score that corresponds to the given percentile. If the…

A:

Q: Given a set of data that is skewed-left, there is at least _____ % of the data within 3 standard…

A: From the given information, Consider, As it has been given that data is left skewed as a result one…

Q: se the standard normal table to find the​ z-score that corresponds to the given percentile. If the…

A: Given that  Percentile = 86 We need to find the corresponding z score for the percentile given.…

Q: Find the standard deviation for the given data. Round your answer to one more decimal place than the…

A: Obtain mean of the sample data. Denote the values of the sample data by xi: xi: 223, 225, 300, 291,…

Q: Use the standard normal table to find the z-score that corresponds to the given percentile. If the…

A: We have given thatfor the standard normal distribution, Mean= 0 and the standard deviation= 1.We…

Q: Use the standard normal table to find the​ z-score that corresponds to the given percentile. If the…

A: Given percentile value is P86. That is, PZ≤z=86%PZ≤z=0.86..........(1) We need to find the z value…

Q: Use the standard normal table to find the z-score that corresponds to the given percentile. If the…

A: Z has follows standard normal distribution with mean zero and standard deviation one.

Q: he measure of dispersion O a. Interquartile range b. O b. Coefficient of variation O c. Range O d.…

A: Mean = x¯

Q: Find the mean of the data summarized in the given frequency distribution. Compare the computed mean…

A: From given data, Temperature Frequency (fi) mid point (xi) fi *xi 40-44 2 42 84 45-49 5 47…

Q: II. Use the following frequency distribution to answer item numbers 15 to 18. f 10.5 8.7 7.9 7.1 7.8…

A: Frequency is the number of times an observation occurred. Larger number of observations can be…

Q: Calculate the sample standard deviation for this data set: 65, 48, 70. The formula for the sample…

A:

Q: Use the magnitudes, rounded to three decimal places, of the 100 earthquakes included in the…

A:

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: normal distribution μ = 100σ = 15 P(85<x<110) = ?

Q: High temperatures in izmir for the month of July follow a Uniform distribution over the interval…

A: Given: X~Uniform a=72 b=102

Q: The frequency distribution for the values of resistance in ohms of 56 resistors is as shown.…

A: For the given data of resistance for 56 resistors as follow: Resistance Ω Resistor 20.5- 20.9 5…

Q: In a data set with a range of 55.4 to 105.4 and 400 observations, there are 276 observations with…

A: A dataset ranges from 55.4 to 105.4.Number of observations is 400.About 276 observations are less…

Q: Use the standard normal table to find the​ z-score that corresponds to the given percentile. If the…

A: Asked about z score for 48 percentile. The z normal distribution graph as follows.

Q: Obtain the measures of specialized dispersion. The range of glycemia (in mg/dl) of 14 patients of…

A: Given  : the measuresvof specialized dispersion is Range, Mean, Variance , Standard deviation

Q: The data below consists of the heights (in inches) of 20 randomly selected women. Find the 20%…

A: Given :  69, 68, 64, 61, 65, 64, 71, 67, 62, 63, 61, 64, 75, 67, 60, 59, 64, 69, 65, 72…

Q: The following set of data is given. 74, 94, 63, 99, 99 (a) Find the mean T. Round your answer to one…

A:

Q: Use the standard normal table to find the z-score that corresponds to the given percentile. If the…

A: Given that.   X~N( μ , ?^2 )   μ=0     , ?=1   Z-score =( x - μ )/?

Q: State whether the z score locates the raw score X within a sample, or within a population. For every…

A: Note: According to bartleby experts question answers guidelines an expert can solve only first three…

Q: Use the standard normal table to find the z-score that corresponds to the given percentile. If the…

A: GivenP18 =

Q: Given n = 15 Test scores in Emglish. 60,62,68, 70, 72, 74, 78,79, 82, 84,86 ৭০, १2, १५, १5. Find the…

A: A percentile  is a score below which a given percentage of scores in its frequency distribution or a…

Q: A student takes a multiple-choice test that has 6 questions. Each question has four choices. student…

A: It is given that,  A student takes a multiple-choice test that has 6 questions i.e. n=6 Each…

Q: USE A CALCULATOR  In the 1992 presidential election, Alaska’s 40 election districts averaged 1,956.8…

A: Hey, since there are multiple subpart questions posted, we will answer first three subpart…

Q: n the distribution shown, state the mean and standard deviation. Hint: The vertical lines are 1…

A: The vertical line in the distribution shows the 1 standard deviation apart.

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A:

Q: Which set of scores has the smallest standard deviation?​ Group of answer choices a. ​5, 11, 42, 22…

A: a)Given data set is 5,11,42,22

Q: You randomly select and weigh 12 samples of an allergy medicine. Assume the weights are normally…

A: Given that n =12, t0.99 = ?

Q: Checkout times. The checkout times (in minutes) for 12 randomly selected customers at a large…

A: Solution-: We find, (a) The mean of the checkout times ...min (b) The standard deviation of the…

Q: A car salesman collected data on how many cars were sold at a dealership per day for two weeks. The…

A: The data for no. of cars sold in 2 weeks is as follows: 6, 7, 4, 3, 1, 2, 6, 6, 6, 7, 4, 4

Q: Find the standard deviation, coefficient of variation, and the 88.9% Chebyshev interval. numbers-…

A: The mean of the given data is X¯=14+45+54+.........19+3920=71020=35.5 Now the standard deviation is…

Q: Find the range, the standard deviation, and the variance for the given samples. Round non-integers…

A: Given data is74,80,76,70,69,87,59,66,52Arrange the data in ascending…

Q: Find the range, the standard deviation, and the variance for the given samples. Round non-integer…

A: First step is to arrange the data in ascending order (smallest to largest). 45 ,51, 61 , 64 , 66 ,…

Q: The average number of words in a romance novel is 64,485 and the standard deviation is 17,222.…

A: Mean = 64485 Standard deviation = 17222

Q: Find the mean, the median, and the mode(s), if any, for the given data. Round noninteger means to…

A: Given that the data is                      To find the mean, median, and mode.

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.