QUESTION 1Given the normal population X; 4, 4, 5, 5, 5, 6, 7; What is the value for the standard error of the mean?1.0.990.371.07O 4.0.40O Type here to search

Answered: Image /qna-images/answer/54ec00a4-b186-4591-822e-d01f167f01b1.jpg

Answered: QUESTION 1 Given the normal population…

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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Question 3 a. The content of brown sugar inside a packet is normally distributed with mean 250 grams and standard deviation of 5 grams. i. A packet is selected at random, find the probability that it is less than 245 grams. ii. Determine how much should be inside the packet that chances exceed 9%. iii. 50 packets are chosen randomly. What is the probability that the mean weight is more than 257 grams?
A vertical line is drawn through a normal distribution so that 47.5% of the distribution is located between the line and the mean. The line is drawn at z = 1,96 or at z = -1.96. Question 13 options: True or False
Question 1 Ester throws a dice 15 times. What is the standard deviation of the number of sixes that come up? 1. 2.08. 2. 2.5. 3. 1.44. 4. 15. 5. R-command:
suppose the mean is 8 and 1/3 and the population variance is 6 and 8/9 and a>9 x 5 9 a frequency 3 f 2 a=? f=?
A random sample of five observations from three normally distributed populations produced the following data: (You may find it useful to reference the F table.) (table is the screenshot picture) a. Calculate the grand mean. (Round intermediate calculations to at least 4 decimal places and final answer to 4 decimal places.) b. Calculate SSTR and MSTR. (Round intermediate calculations to at least 4 decimal places and final answers to 4 decimal places.) c. Calculate SSE and MSE. (Round intermediate calculations to at least 4 decimal places and final answers to 4 decimal places.) d. Specify the competing hypotheses in order to determine whether some differences exist between the population means. _H0: μA = μB = μC; HA: Not all population means are equal. _H0: μA ≤ μB ≤ μC; HA: Not all population means are equal. _H0: μA ≥ μB ≥ μC; HA: Not all population means are equal. e-1. Calculate the value of the F(df1, df2) test statistic. (Round intermediate calculations to at least 4 decimal…
Question 17 The number of calories consumed by customers at the Chinese buffet is normally distributed with mean 2886 and standard deviation 622. One randomly selected customer is observed to see how many calories X that customer consumes. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( b. Find the probability that the customer consumes fewer than 2675 calories. c. What proportion of the customers consumed more than 3060 calories? Question Help: 9 Written Example Message instructor Submit Question Jump to Answer 20 44,411
QUESTION 10 Solve the problem. Find the standardized test statistic t for a sample with n = 12, x = 20.6, s = 2.1, and a = 0.01 if Ha: H 21.1. Round your answer to three decimal places. O a. -0.825 O b. -0.037 OC. -0.381 O d.-0.008
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Question 7 If the area to the left of x in a normal distribution is 0.834, what is the area to the right of x? Answer: If the area to the right of x in a normal distribution is 0.834, what is the area to the left of æ? Answer: Question Help: D Post to forum E Calculator Submil Question MacBook Air esc F1 F2 F3 F4 F5 #3 2 6 W T Y A S F G 3
Question 7 Ten students independently performed an experiment to estimate the value on 7. Their results were: (a) (b) (c) 3.12, 3.16, 2.94, 3.33, 3.00, 3.11, 3.50, 2.81, 3.02, 3.10 Given that x² = 97.0011, calculate the sample mean, and sample variance, s². Stating any necessary assumption that you make, calculate a 95% confidence interval for based on these data. Estimate the minimum number of results that would be needed if it is required that the width of the resulting 95% confidence interval should be at most 0.02.

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QUESTION 1 Given the normal population X; 4, 4, 5, 5, 5, 6, 7; What is the value for the standard error of the O1.0.99 mean? 2.0.37 3.1.07 0 4.0.40 O Type here to search