Let x be a random variable that represents thepercentage of successful free throws a professionalbasketball player makes in a season. Let y be arandom variable that represents the percentage ofsuccessful field goals a professional basketballplayer makes in a season.The table below shows the percentage of successfulfree throws and field goals a professional basketballplayer makes in a season:X68758485939557786465y6477What is the value of x²?

From the provided information, X 68 75 84 85 93 95 y 57 78 64 65 64…

Answered: Let x be a random variable that…

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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Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Order Accurate Order Not Accurate Drive-thru Restaurant C 237 39 A 332 37 B 270 58 D 146 19 If three different orders are selected, find the probability that they are all from Restaurant A. The probability is. (Round to four decimal places as needed.)
The national distribution of scores on the Advanced Placement (AP) examination in statistics (out of a possible 5 points) is provided in the following table. Score 1 or 2 3 5 Percentage 40% 25% 23% 12% A simple random sample of 100 high school students who took the AP exam in statistics is taken from the high schools in a certain school district. The observed counts based on this sample of students are provided in the following table. Score 1 or 2 3 4 5 Count 18 19 37 26 The chi-square statistic for these data equals 38.4. What do we know about the P-value for testing if the national model can be used for students in this school district? P-value 0.005 Can't tell
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A B C Total Male 14 18 12 44 Female 6 3 8 17 Total 20 21 20 61 Find the probability that the student was male OR got an "A"
The data in the following table summarize results from 98 pedestrian deaths that were caused by accidents. If three different deaths are randomly selected without replacement, find the probability that they all involved intoxicated drivers. F2 The probability is (Round to six decimal places as needed.) W Driver Intoxicated? ew an example Ask my instructor S X H mand # 3 80 Yes No E D C Pedestrian Intoxicated? O Yes 18 8 $ 4 Q F4 R F ar se % 5 V e F5 T No. 32 40 G 6 B MacBook Air F6 Y H & 7 N F7 U J * 8 DII F8 | M ( 9 K F9 O . Clear all - : ; option F11 { [ + ? = Check answer B F12 } 1 delete retu C
Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant D C 247 Order Accurate 134 Order Not Accurate 34 14 If one order is selected, find the probability of getting food that is not from Restaurant A. A 330 40 B 280 59 The probability of getting food that is not from Restaurant A is (Round to three decimal places as needed.)
A research group is conducting an experiment to study the relationship between fitness levels and the number of hours spent exercising each week. Subjects are randomly selected and, after several fitness tests, are assigned a fitness score. The number of hours spent exercising per week is also recorded. Data for 15 subjects are given below. Subject Hours of Exercise per Week Fitness Score 1 1 3 2 1.5 4.7 3 1.75 6 4 2 5 5 2 6.5 6 4.5 14.2 7 2.5 13.5 8 3.25 15 9 3 13.4 10 3.75 14 11 3.5 10 12 4 10 13 2.5 12 14 5.25 14.5 15 5 15 Create a bar graph in MicrosoftÂ® ExcelÂ® using the data. Label the graph and include the source of the data. Construct an equation in two variables that models this relationship. This equation may be linear, polynomial, rational, square root, or variation? Is the equation an exact model or an approximate model of the relationship between the variables? Explain your reasoning. Use the equation to make a prediction of the likely value of the…
The following data lists the ages of a random selection of actresses when they won an award in the category of Best Actress, along with the ages of actors when they won in the category of Best Actor. The ages are matched according to the year that the awards were presented. Complete parts (a) and (b) below. Actress (years) 26 Actor (years) 26 32 28 38 29 29 45 27 31 D 60 37 40 40 28 36 50 35 41 43 a. Use the sample data with a 0.01 significance level to test the claim that for the population of ages of Best Actresses and Best Actors, the differences have a mean less than 0 (indicating that the Best Actresses are generally younger than Best Actors). In this example, Hd is the mean value of the differences d for the population of all pairs of data, where each individual difference d is defined as the actress's age minus the actor's age. What are the null and alternative hypotheses for the hypothesis test? Ho: Ha year(s) year(s) (Type integers or decimals. Do not round.)
Answer quickly!
In a computer game, different units are created randomly with different levels of range and Aggression according to the table below. Range is how far the unit can attack without moving, and Aggression is used to determine how far a unit will move to attack without direct command. Range Total 1 2 4 5 0.2 0.15 0 0.35 Aggression 3 0.1 0.15 0.1 0.35 0 0 0.05 0.25 0.3 Total 0.3 0.35 0.35 1 Calculate the Expected value of aggression for the units created. (E(Aggression))
Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 13 15 6 34 Female 19 17 8 44 Total 32 32 14 78 If one student is chosen at random,Find the probability that the student did NOT get an "A"Round answers 4 places after the decimal if needed.
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