Suppose that you randomly selected 21 adults. Assume 20% of the population smoke. Round all answers to2 decimal places.a) Using the Range Rule of Thumb, what is the minimum number of usual smokers we can expect to get outof 21 adults?b) Using the Range Rule of Thumb, what is the maximum number of usual smokers we can expect to get outof 21 adults?c) Would it be unusual to randomly select 21 adults and get 20 smokers?O No, since 20 is between the maximum and minimum usual values.O Yes, since 20 is not between the maximum and minimum usual values.Question Help:Written Example Message instructorSubmit Question Jump to Answer

Answered: Suppose that you randomly selected 21…

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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Show all your solutions. Use band paper. if you will use multiple papers put a page at the bottom right. Take a picture of your solutions and answers in portrait orientation. List only the names of your group members who participated. 2) TEST SCORES: Find the value that corresponds to the 6o" percentile in the data set 12, 28, 35, 42, 47, 49, 50 Give an Interpretation of your answer.
A large group of people get together. Each one rolls a die 120 times, and counts the number of aces (with a single dot). About what percentage of these people should get counts in the range 10 to 30? Choose the closest answer.
The boxplots below show the number of marshmallows in a bag, as estimated by students in two elementary school classes. 250 225 200 175 150 125 100 75 50 25 0 Ms. Apple's Class Which class has more students?? A. O Ms. Apple's class B. Ms. Banana's class C. O Both classes have the same number of students. D. O It is impossible to tell from the boxplots. HI Ms. Banana's Class one answer.
tatcrunch 2 Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below. Click the icon to view at distribution table. W S X H d a. What is the number of degrees of freedom that should be used for finding the critical value t/2? df = 0 (Type a whole number.) b. Find the critical value t/2 corresponding to a 95% confidence level. ¹ x/2 = (Round to two decimal places as needed.) c. Give a brief general description of the number of degrees of freedom. Tech help # 3 OA. The number of degrees of freedom for a collection of sample data is the total number of sample values. OB. The number of degrees of freedom for a collection of sample data is the number of sample values that can vary after certain restrictions have been imposed on all data values. 20 E D с F3 $ 4 888 R F V % 5 T G F5 B MacBook Air Y H 8 7 N F7 TEE U J 00* 8 ►II M F8 9 K O L command F10 P { alt option (13.046,22.15) x=17.598 Sx=16.01712719 n=50 1 Next…
The center or middle value of an ordered array of numbers is known as a. Median O b. Mean O c. Mid-point O d. Mode Ouoctio n 7
Is the average time to complete an obstacle course longer when a patch is placed over the right eye than when a patch is placed over the left eye? Eight randomly selected volunteers first completed an obstacle course with a patch over one eye and then completed an equally difficult obstacle course with a patch over the other eye. The completion times are shown below. "Left" means the patch was placed over the left eye and "Right" means the patch was placed over the right eye. Right 40 46 42 45 40 48 42 42 Left 38 46 41 45 36 45 39 43 Assume a Normal distribution. What can be concluded at the the αα = 0.05 level of significance level of significance? For this study, we should use The null and alternative hypotheses would be: H0:H0: (please enter a decimal) Ha:Ha: (Please enter a decimal) The test statistic = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.) The…
A home pregnancy test was given to women, then pregnancy was verified through blood tests. The following table shows the home pregnancy test results. Positive Negative Total Pregnant 54 9 63 Not Pregnant 4 55 59 Total 58 64 122 Round your answers to the nearest thousandth.PP(positive∣∣pregnant) = PP(pregnant∣∣positive) = PP(negative∣∣pregnant) = PP(not pregnant∣∣negative) =
If the mean of 5 values equals 34, then ΣΧ=
Fifty students appeared in an examination. The result of the passed students are given below: Marks 40 50 60 70 80 90 No. of Studnets 14 7 4

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