5.1 Determine the mean, the variance, and the standard deviation of the followingdiscrete distribution.E P(x) 03eea ysbitof.242298 liw.ala/oit.177.158ieg si to aulevbeheue od.125-23 45

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Answered: 5.1 Determine the mean, the variance,…

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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Assume the samples are random and independent, the populations are nomally distributed, and the population variances are equal. The table available below shows the prices (in dollars) for a sample of automobile batteries. The prices are classified according to battery type. At a = 0.10, is there enough evidence conclude that at least one mean battery price is different from the others? Complete parts (a) through (e) below. E Click the icon to view the battery cost data. (a) Let u1. P2. H3 represent the mean prices for the group size 35, 65, and 24/24F respectively. Identify the claim and state Ho and H. H Cost of batteries by type The claim is the V hypothesis. Group size 35 Group size 65 Group size 24/24F 101 111 121 124 D 146 173 182 278 124 140 141 89 (b) Find the critical value, Fo, and identify the rejection region. 90 79 84 The rejection region is F Fo, where Fo = (Round to two decimal places as needed.) (c) Find the test statistic F. Print Done F= (Round to two decimal places as…
This assignment is worth 1 points. The extra point will be added to your overall course grade. For example: if you receive an 88% in the course you can receive up to 1 point giving you a new score of 89%. The following rubric will be used. 0.25 point for drawing the normal distribution curve with the mean value labeled on the curve and the appropriate area shaded. 0.25 point for determining the value of the standard deviation of the sample mean. 0.5 point for finding the correct probability. All work must be shown in order to receive any credit. Please upload your completed assignment here. The length of time taken on the SAT for a group of students is normally distributed with a mean of 2.5 hours and a standard deviation of 0.25 hours. A sample size of n = 60 is drawn randomly from the population. Find the probability that the sample mean is between two hours and three hours.
help me pls for an upvote and positive ratings thank u maam and sr DEFINE WHETHER ITS TRUE OR FALSE. QUESTIONS: 1. The curve of a normal distribution extends indefinitely at the tails. 2. The mean of a standard normal curve is 3. 3. The normal curve is bell-shaped.
Answer 7 8 9 handwritten
please interpet seperately. there are tw coountries
A sample of 10 networking sites for a specific month has a mean of 26.1 and a standard deviation of 4.2. Which of these is the point estimator? a. 4.2 b. 1.83 c. 3.25
Which is NOT a correct statement about the variance and standard deviation? a. The standard deviation is the sqaure root of the variance b. The standard deviation is useful when considering how close the data are to the mean c. The variance is roughly the average sqaured distance from the mean d. None of above
Describe the importnat features of the distribution by identifying the mode, overall shape, and outliers. a. Which measure of center (mean or median) and which measure of variability (Standard deviation or IQR) would be best to describe the distrubution and why?
Use @RISK to draw a triangular distribution with parameters 200, 300, and 600. Then superimpose a normal distribution on this drawing, choosing the mean and standard deviation to match those from the triangular distribution. (Click the Add Overlay button and then choose the distribution to superimpose.) a. What are the 5th and 95th percentiles for these two distributions? If needed, round your solutions to one decimal digit. Distribution Percentile Triangular Normal 5th 95th
Complete the paragraph below. The standard deviation is used in conjunction with the ______ to numerically describe distributions that are bell shaped. The ______ measures the center of the distribution, while the standard deviation measures the ______ of the distribution. Choose the correct answers below. The standard deviation is used in conjunction with the ▼ mean range median mode variance to numerically describe distributions that are bell shaped. The ▼ mean range standard deviation variance measures the center of the distribution, while the standard deviation measures the ▼ center range spread of the distribution.
A study was conducted to investigate the ages of college students. Let X = the age of a college student 1. Suppose X follows a distribution skewed to the right.What is true about the shape of the distribution of , the mean age X-bar , for a sample of 100 college students? 2. As the sample size increases, how does that affect the mean for the distribution of X-bar? Group of answer choices 3. Which of the following has the smallest standard deviation? I. The distribution for X = the age of a college student II. The distribution for X-Bar = the average age for a sample of 100 college students III. The distribution for X-Bar = the average age for a sample of 400 college students

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5.1 Determine the mean, the variance, and the standard deviation of the following discrete distribution. P(x) .242 itdiw.ala/oit 3 .298 .177 158 rieg sa to auleybeheue ort 5 125