please follow the word doc and the rubric carefully

Anonymous
timer Asked: Jan 31st, 2019
account_balance_wallet $25

Question Description

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Grading Rubric

CategoryPoints%Description
Question 11012%Mean and standard deviation
Question 21518%Three graphs
Questions 3 and 4, 15 points each, 30 total3035%Probabilities
Questions 5-9, 6 points each, 30 total3035%Calculations and interpretations
Total85100%A quality lab will meet or exceed all of the above requirements.

1 MATH221 Statistics for Decision Making Week 4 Lab Name: _______________________ Statistical Concepts: • Probability • Binomial Probability Distribution Calculating Binomial Probabilities NOTE: For question 1, you will be using the same data file your instructor gave you for the Week 2 Lab. 1. Using the data file from your instructor (same one you used for the Week 2 Lab), calculate descriptive statistics for the variable (Coin) where each of the thirty-five students in the sample flipped a coin 10 times. Round your answers to three decimal places and type the mean and the standard deviation in the grey area below. Mean: Standard deviation: NOTE: for questions 2-7, you will NOT be using the data file your instructor gave you. Please follow the instructions given in each question. Plotting the Binomial Probabilities ➢ For the next part of the lab, open the Week 3 Excel worksheet. This will be used for the next few questions, rather than the data file used for the first question. 1. Click on the “binomial tables” workbook 2. Type in n=10 and p=0.5; this simulates ten flips of a coin where x is counting the number of heads that occur throughout the ten flips 3. Create a scatter plot, either directly in this spreadsheet (if you are comfortable with those steps), or by using the Week 1 spreadsheet and copying the data from here onto that sheet (x would be the x variable, and P(X=x) would be the y variable. 4. Repeat steps 2 and 3 with n=10 and p=0.25 5. Repeat steps 2 and 3 with n=10 and p=0.75 6. In the end, you will have three scatter plots for the first question below. Last Revised for SEP18 2 2. Create scatter plots for the binomial distribution when p=0.50, p=0.25, and p=0.75 (see directions above). Paste the three scatter plots in the grey area below. Calculating Descriptive Statistics Short Answer Writing Assignment – Both the calculated binomial probabilities and the descriptive statistics from the class database will be used to answer the following questions. Round all numeric answers to three decimal places. 3. List the probability value for each possibility in the binomial experiment calculated at the beginning of this lab, which was calculated with the probability of a success being ½. (Complete sentences not necessary; round your answers to three decimal places.) P(x=0) P(x=1) P(x=2) P(x=3) P(x=4) P(x=5) P(x=6) P(x=7) P(x=8) P(x=9) P(x=10) 4. Give the probability for the following based on the calculations in question 3 above, with the probability of a success being ½. (Complete sentences not necessary; round your answers to three decimal places.) P(x≥1) P(x>1) P(4
Drive (miles) 36 20 88 6 71 42 76 63 36 63 38 28 55 33 40 80 86 83 4 39 25 25 54 54 81 73 29 76 78 77 42 36 71 94 6 State MI IL CA IL MI IL NY PA TX NY OR NY OH SC IL NV FL FL NY SC CA GA FL CA CA FL TX PA CA PA TX OR PA KY OR Shoe Size 10 5 6 12 8 8 9 10 7 11 10 7 9 11 10 12 11 13 9 11 8 9 9 5 10 12 9 11 9 10 9 9 7 11 13 Height (inches) 61 62 63 63 64 65 65 66 66 67 67 67 67 68 68 69 69 69 69 69 69 69 70 70 70 70 70 71 71 71 73 73 74 74 75 Sleep (hours) 7 7 5 7 6 8 7 8 5 8 8 4 8 8 6 8 8 8 7 10 6 7 8 5 8 7 7 4 9 8 7 7 8 8 10 Gender M F F F F F F F M M F F F M M M M M F M F M F F F F M M M M F M M M M Car blue black black blue blue red red silver orange green silver black dark blue blue green white black blue blue red silver silver green green black green silver silver blue blue black blue black red silver TV (hours)Money (dollars) 3 5.00 3 10.00 3 43.00 2 44.00 2 1.00 4 4.00 3 7.00 3 5.00 3 6.00 3 4.00 2 15.00 1 29.00 4 31.00 1 9.00 5 16.00 4 3.00 3 6.00 3 8.00 5 21.00 3 26.00 4 34.00 3 53.00 2 5.00 6 6.00 2 7.00 4 15.00 2 32.00 5 13.00 2 47.00 1 52.00 3 7.00 5 23.00 4 6.00 3 20.00 6 7.00 Coin 7 2 6 2 4 4 6 7 3 6 4 4 4 4 5 4 3 3 5 4 4 5 3 7 7 3 3 5 2 5 3 5 7 4 4 Die1 4 3 5 6 4 3 2 4 5 4 2 3 1 3 4 5 3 4 5 4 3 4 5 6 4 3 2 1 2 3 4 5 6 5 4 Die2 1 1 2 1 4 3 5 6 5 4 3 4 3 2 2 1 4 3 6 5 4 6 3 4 3 2 1 4 5 6 4 3 2 3 4 Die3 6 4 5 3 4 3 4 5 2 3 1 2 3 3 2 4 6 5 4 5 3 2 1 4 5 4 3 2 3 4 5 6 1 1 3 Die4 Die5 6 2 5 3 3 5 2 1 5 6 4 3 6 4 2 4 2 2 2 3 2 2 3 3 3 2 6 6 1 1 2 2 2 1 5 Die6 4 3 5 2 1 6 1 2 6 3 3 6 4 3 1 2 2 2 5 6 6 1 3 4 4 2 5 2 5 3 2 2 4 5 1 2 3 5 6 5 4 5 2 4 4 6 3 4 1 2 4 1 1 2 6 6 2 3 2 1 5 2 4 4 2 1 2 1 1 1 Die7 Die8 2 5 2 4 6 2 2 5 2 5 6 3 2 6 3 4 1 5 2 2 2 2 5 5 6 1 3 4 3 2 6 1 2 3 6 Die9 5 2 1 2 5 3 4 1 1 6 5 3 1 6 2 4 3 3 4 5 5 2 5 1 6 1 4 2 1 2 1 4 4 2 6 Die10 4 4 3 5 2 6 1 3 4 1 1 1 1 2 3 1 3 5 5 3 5 6 2 1 4 5 3 5 1 6 5 5 1 5 1 4 2 5 3 2 1 2 5 2 5 3 3 5 3 6 4 2 6 1 4 1 2 6 6 6 4 2 4 4 3 2 1 6 1 4

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