Mathematics > EXAM > MATH 1280 Final Exam (100 out of 100) Questions and Answers_ University of the People (All)

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MATH 1280 Final Exam (100 out of 100) Questions and Answers_ University of the People

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FINAL Question 1You are interested in the number of English-speaking people on the planetwho want to play a new kind of online video game. You asked 300 collegestudents if they were interested in pla ... ying video games, 100 said yes, and ofthem 20 preferred your game to an existing game that is widely used.How many people were in the sample?Select one:a. The number of English-speaking people on the planet who want to play anew kind of online video game.b.300c. 200d. 100e. 20 Question 2What is the mean of x?x <- c(12, 14, 11, 14, 13, 15, 12, 16, 10)Select one:a. 12b.13c. 14d. 15e. 16 Question 3Using the value of x from the prior question, what is the standard deviation ofx?Select one:a. 1b. 3.75c. 9d. sqrt(13)e.1.94 Question 4 There was a very short quiz with five questions. The following table showsthe number of correct answers and the cumulative relative frequency for thosescores in the class.value:2345cumulative.13.55.9251relativefrequency:What is the probability that a randomly selected student from the class scoreda 3 on the short quiz?Select one:a. .13b..42c. .55d. .375 e. .925Information Use this information for the next three questions.A random variable called L is defined by the following table, but one of therelative frequencies is missing:value:-50138relative.17.11.23.15frequency:Question 5What is the missing value in the list of relative frequencies for random variableL?Select one:a..34b. .23c. .19d. .17e. .11 Question 6 [Show More]

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