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:X525854578679y684668 677087What is the value of r? Round your answer to thenearest hundredths.

Given X = 52 58 54 57 86 79 Y = 68 46 68 67 70 87

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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A researcher randomly purchases several different kits of a popular building toy. The following table shows the number of pieces in each kit in the sample. Find the mean of the data. Round your answer to the nearest hundredth, if necessary. Building Toy Pieces 152 37 257 342 342 37 96 288 257 101 162 200 Copy Data
T or F. Explain answers. a. The elementary units are also the sample units in Random Sampling (Simple). b. Z-score in statistics is a measure of location.
Derby collects samples of insects in the forest and in a marsh to count the number of insects in each sample and then releases the insects. The number of insects in each sample from the two locations is provided below. Forest 1515 1313 1414 99 1616 1111 1515 1414 1515 1414 Marsh 1717 1414 1515 1717 1616 1818 1717 1919 1313 1616 What is the median and the interquartile range for each of the two locations? Round to one decimal place. The median number of insects in the forest samples is , and the interquartile range is . The median number of insects in the marsh samples is , and the interquartile range is .
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a. t test for population mean or z test for population proportion b. μ or p H0: =, <, >, or ≠ H1: =, <, >, or ≠ c. z or t
Mitchell is getting ready to take a baseball rules exam in order to becomne certified as a baseball umnpire in his local community. Past scores on the rules exam form a normal distribution with u = 80 and o = 6. Mitchell must score in the highest 25% of the distribution in order to become a certified umpire. Which minimum score does Mitchell need to obtain on the rules exam to become a certified umpire? OX= 76 O X- 84 OX= 86 OX-81
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The home run percentage is the number of home runs per 100 times at bat. A random sample of 43 professional baseball players gave the following data for home run percentages.
A class of students took a test. The instructor said that the 75th percentile score was 90 out of 100. What does this mean? A. 90% of the students scored 75 or more on the test. B. 75% of the students scored 90 or more on the test. C. 25% of the students scored 90 or more on the test. D. The high score in the class was (.75)(90).
The scores of the top ten finishers in a recent golf tournament are listed below. Find the mean score 71 67 67 72 76 72 73 68 72 72
Let x be a random variable that represents the percentage of successful free throws a professional basketball player makes in a season. Let y be a random variable that represents the percentage of successful field goals a professional basketball player makes in a season. A random sample of n = 6 professional basketball players gave the following information. x 63 79 70 80 84 87 y 46 49 45 55 57 58 Find Se. Round your answer to three decimal places. Group of answer choices 2.522 2.819 2.302 1.994 2.131
Which parameters would give you the best estimate of a population proportion, where n represents sample size and represents the sample proportion? A B n = 100, p = 0.40 D n = 110, p=0.38 c n=150, p=0.34 n = 120, p=0.58

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