Question 9 Not yet answered Marked out of 1.00 Flag question Let X be a discrete random variable with the following probability distribution: X P (X ) 86 0.3 46 0.3 166 0.4 What is the expected value of X? Please give your answer correctly rounded to two decimal places. Do NOT include units in your answer. Answer:A survey aims to identify the preference of different genders for online shopping. Respondents were asked the gender they most identify with and their preference. The results of the survey are tabulated below: Preference High Low Undecided Female 15 38 22 Male 19 23 35 What is the probability that a respondent selected at random was male given they had a low preference for online shopping? Please give your answer correctly rounded to two decimal places. Do NOT give your answer as a percentage. Answer:Here is a frequency table of monthly profit ($000) for a sample of cafes: Class Frequency (0, 20] 77 (20, 40] 59 (40, 60] 47 (60, 80] 20 (80, 100] 57 How many cafes in this sample, had a monthly profit less than or equal to $80,000