MATH 1280 Final Exam Questions and Answers Latest 2023/2024 (University of the People)

MATH 1280 Final Exam Questions and Answers Latest 2023/2024 (University of the People). 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. 1.94 This study source was downloaded by from CourseH on :35:48 GMT -05:00 Information 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 This study source was downloaded by from CourseH on :35:48 GMT -05:00 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 .15Question 5 What is the missing value in the list of relative frequencies for random variable L? Select one: a. .34 b. .23 c. .19 d. .17 e. .11 a. the normal distribution and the Poisson distribution. b. the Poisson distribution, the binomial distribution, and the uniform c. the binomial distribution and the exponential distribution. distribution. What is the probability that a randomly selected item from random variable L will be greater than 0 and less than or equal to 3? Select one: a. .00 b. .57 c. .23 d. .85 e. 1