Direction: Read the following items carefully. WRITE the letter that corresponds to your answer and write E if your answer is not among the choices. 1. Which of the following best describe the mean of a discrete random variable? a. It is the lowest assumed value of a discrete random variable b. It is the highest assumed value of a discrete random variable. c. It is the average value of a discrete random variable over numerous trials of an experiment. d. It is the amount of spread, dispersion, or variability of the assumed value of a discrete random variable. 2. Which of the following best describe the variance and standard deviation of a a. It is the lowest assumed value of a discrete random variable. b. It is the highest assumed value of a discrete random variable. c. It is the average value of a discrete random variable over numerous trials of an experiment. d. It is the amount of spread, dispersion, or variability of the assumed value of a discrete random variable. 3. If a person in this risk group has a 99.95% chance of surviving within three years, what is the probability that he will NOT survive within three years? a. 0.995 4. You buy three P1,000.00 raffle tickets for a prize of a new 20-passenger Sarao jeepney valued at P800, 000.00. Two thousand tickets are sold. What is the probability of winning the prize in the purchase of three tickets? a. 1/2000 5. According to the property of a Normal Probability Distribution, the mean is equal to what measures of central tendency? a. Median 6. Which of the following graphs is the BEST example of the normal curve? ? b. 0.005 c. 0.9995 d. 0.0005 b. 3/2000 c. 2/2000 d. 4/2000 b. a and b c. Mode d. only a а. b. с. d.

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