I would like some assistance with the following probability questions

USE THE FOLLOWING TO ANSWER QUESTIONS 17 AND 18: In an accounting class with 136 students, the professor recorded how much money each student had in his/her possession during the first class of the semester. The histogram below shows the data collected. 60 50 40 20 Frequency 20 10 0 10 20 30 40 50 60 100 Amount of Money 17. If the outlier on the right is removed, the value of the mean a) will increase. b) will decrease. c) will remain the same. d) cannot be determined from the information given. 18. The mean for this distribution would be a) to the right of the median. b) to the left of the median.19. Consider the following cumulative relative frequency distribution: Lower Boundaries Cumulative Relative Frequencies 0 0.00 5 0.23 10 0.34 15 0.41 20 1.00 If this distribution is based on 800 observations, then the frequency for the second class interval is: a) 80 b) 88 c) 184 d) 272 e) 456 21. The range, median and interquartile range of a given dataset is 9, -11 and 6 respectively. Which of the following boxplots may represent the distribution of this set of data. -16 -14 -12 -10 -8 -6 -4 -15 -14 -13 -12 -11 -10 -9 A. B. -21 -19 -17 -15 -13 -11 -9 -13 -11 -9 -7 -5 -3 -1 C. D.22. The term test scores of 15 students enrolled in a rstyear university course were recorded as follows: 4 7 7 9 10 11 13 15 15 15 17 17 19 20 After calculating the mean, median and mode, an error was discovered. One of the 15's Should be 17. The measures of central tendency that will change are a) The mean only b) The mode only c) The median only (1) The mean and the mode e) The mean, median and the mode 23. The following is a side-by-side boxplot of the annual incomes for nuclear engineers, police officers and musicians. Nuclear engineer Police Profession officer Musician 0 20 40 60 80 100 120 140 Annual Income (thousands of dollars) Which of the following is true? a) The median income for nuclear engineers is greater than the income for all musicians. b) The median income for police officers and musicians is the same. c) All nuclear engineers earn more than all police officers. d) A musician will eventually earn more than a police officer.USE THE FOLLOWING TO ANSWER QUESTIONS 24 , 26: The frequency distribution of the amount of rainfall in December in a certain region for a period of30 years is presented below. Rainfall (in inches) Number of Years 2 -