Final Exams Math All Answers 100% Correct Guarantee Grade ‘A
Question 1 You are interested in the number of English-speaking people on the planet who want to play a new kind of online video game. You asked 300 college students if they were interested in playing video games, 100 said yes, and of them 20 preferred your game to an existing game that is widely used. How many people were in the sample? Select one: Question 4 final exams math ALL ANSWERS 100% CORRECT GUARANTEE GRADE ‘A’ Question 2 What is the mean of x? x - c(12, 14, 11, 14, 13, 15, 12, 16, 10) Select one: a. 12 b. 13 c. 14 d. 15 e. 16 Question 3 Using the value of x from the prior question, what is the standard deviation of x? Select one: a. 1 b. 3.75 c. 9 d. sqrt(13) e. 1.94Information Use this information for the next three questions. A random variable called L is defined by the following table, but one of the relative frequencies is missing: Question 6 value: 2 3 4 5 cumulative relative frequency: .13 .55 .925 1 What is the probability that a ra a 3 on the short quiz? Select one: a. .13 b. .42 c. .55 d. .375 e. .925 ndomly selected student from the class scored There was a very short quiz with five questions. The following table shows the number of correct answers and the cumulative relative frequency for those scores in the class. value: -5 0 1 3 8 relative frequency: .17 .11 .23 .1
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