a. Complete the table for the Standard Normal Distribution.Region(-3, -2](-2, -1](-1,0](0, 1)(1, 2](2, 3](3, ∞)(-∞, -3] 0.0013 0.13%HintAreaPercent%%%%0.3413 34.13%%%%b. Add up the percentages for the area between -1 to 0 and 0 to 1. (The green shaded boxes) Whatnumber have you found?What do you recognize this as?HintIc. Add up the percentages for the area between -2 to -1, 1 to 2 AND your answer in b, (The green%and blue shaded boxes) now what number have you found?What do you recognize this as?

Answered: Image /qna-images/answer/ee3ee9e4-b8e7-468f-a63b-3c138268bda5.jpg

Answered: a. Complete the table for the Standard…

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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A simple random sample of size n is drawn. The sample mean, x, is found to be 19.1, and the sample standard deviation, s, is found to be 4.8. Click the icon to view the table of areas under the t-distribution. (a) Construct a 95% confidence interval about µ if the sample size, n, is 35 Lower bound: Upper bound: (Use ascending order. Round to two decimal places as needed.) 4 4
3 4 567 8 9 10 1L 1213 14 I516171819202122 23 What percent of the data is 7or less? o 250/0 0 500/0 0750%0 What percet of the data is 1or more Oolo 250/0 0500%. 07500 o1006
b) r=
(b) If 500 consumers were surveyed, give the frequency distribution for these data. Frequency Distribution Table Product Frequency X Y (d) If we wish to depict these data using a pie chart, find how many degrees (out of 360) should be assigned to each of products W, X, Y, and Z. (Round your answers to 1 decimal place.) Product Degrees Y
12/12 cont.
Q.5 The following distribution shows the drying times in hours of a certain brand of latex paint. Draw its frequency curve and comment on it about the trend of drying times. Drying Times (Hours) Frequency 2.0-2.4 2.5-2.9 3.0-3.4 3.5-3.9 4.0-4.4 4.5-4.9 12 15 20 25 18 10
А B Overtime earnings 1 (OMR) 13 No. of employees (f) 2 0s 10 3 10 s 20 11 4 20 s 30 5 30 s 40 25 18 6 40 < 50 7 50 s 60 2 8 8 60 s 70 9 70 < 80 10 80s 100 8 100 11 sum From the table above B. Construct a less than cumulative frequency curve for the data above. c. Use the cumulative frequency graph to estimate the median.
The values under n, N, and (n/N,)x 100% for the following table are not real, they are presented here for reasons of clarity. Table 1: Age distribution. Age Group Number of Patients Size of Age Group in Catchment A rea (N,) Proportion (n/ N,)x100% (n) 0- 4 5 - 14 15 - 44 45 - 59 2 60 925 4675 5762 19.75 15.63 58.08 901 4213 7253 23.93 13.84 153 635 76 549 i. Explain why the use of the proportions (n,/ N, )x100%, i= 1, 2,. .. 5, in the construction of the multiple bar chart is comparatively better than the use of the number of patients, (n,). ii. Assuming you are the bio-statis tician, use the multiple bar chart to write a report to management Be guided by the purpose for which multiple bar charts are used.
In the normal distribution (the area under the normal curve): The area (at and) below the mean (z = 0.00) is % ___. of the area. The area between z = -1.00 and z = +1.00 is approximately ____. % of the area. The area between z = +1.00 and z = +2.00 is approximately _____. % of the area. The area between z = -2.00 and z = +2.00 is approximately ____ % of the area.
Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with μ=96 and σ=21. (a) What proportion of children aged 13 to 15 years old have scores on this test above 86 ? (NOTE: Please enter your answer in decimal form. For example, 45.23% should be entered as 0.4523.)Answer: (b) Enter the score which marks the lowest 30 percent of the distribution.Answer: (c) Enter the score which marks the highest 15 percent of the distribution.Answer:

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