A company that publishes May 2022 political candidates conducted a survey of students' preferences for President. Three top candidates were the focus of the study. The table summarizes responses by candidate and gender. What percentage of students who preferred Robredo were males? Candidate Male Female Moreno 55 87 Marcos 99 150 Robredo 196 113 a] 63% b] 43% c) 41% The weight of an object, measured to the nearest gram, is an example of a) a continuous random variable b) a discrete random variable c] either a continuous or a discrete random variable, depending on the weight of the object cl] either a continuous or a discrete random variable, depending on the units of measurement On average, patients who plan to see their Physician will wait for another 8 minutes before their scheduled appointment. Suppose the patient's wait time is exponentially distributed. Calculate the probability of a randomly selected patient seeing a doctor within 5 minutes of the scheduled time? a] 0.4647 b) 0.2019 c] 0.5353 d] 0.7981 e) 0.2817 The multiplication law is potentially helpful when we are interested in computing the probability of 0 mutually exclusive events a] the intersection of two events b) the union of two events c] complement of events d] None of the answers is correct. Oil prices have been steadily rising since the beginning of the year. Which 0fthe following will help calculate the average oil price for the last ve years? a] Time series b) lnferential statistics c) Crosssectional data d] Descriptive statistics e) None of the Above 10. The annual revenue (percentage) of a sample of technology stocks over the past year is as follows: 4.2, - 942.8, -16.0, -6.6 a) -5 b) -6.6 c) 0 d) 6.6 e) 2.8 Stereo component life is exponentially distributed with an average of 1,000 days. What is the probability ofa lifespan greater than or equal to 500 days? a) 0.3934 b) 0.5034 c] 0.6065 d] 0.4966 e) 0.2017 You have received a lottery ticket with a chance to win 250.000 pesos. You have a 45% chance ofwinning 250,000 pesos and a 55% chance of getting nothing at all. What is your expected return? a] 121,500 b) 137.500 c) 112.500 d) 173.500 e] 250.000 Total revenue for Apple Computers [in millions) was $42,905 in Year 1, $65,225 in Year 2, and $108,249 in Year 3. The average growth rate of revenue during these three years is the closest to a) 36.13% b) 39.33% c) 58.84% d) 53.99% 6] 70.28% In a fast food chain, consider the five number summary of hourly wages (Peso) for a sample of sales staff. Suppose that 'die mean hourly wage is P3850. What can you say about the shape of the distribution? Min Q1 Median Q3 Max 20.84 37.74 44.77 49.34 67.11 The distribution of hourly wages is symmetric A The distribution of hourly wages is skewed to the right The distribution of hourly wages is skewed to the left The distribution of hourly wages is bimodal The distribution of hourly wages is straight . Calculate the range of the following set of numbers: 8,102,29,7,112 and 3. a] 108 b) 109 c) 104 d) 92 e] 94