Section I: Multiple Choice 1. 2. 6. Find the value of the mean 11 for the following Probability Distribution: A. 7 B. 1.4 C. 1.2 D. 0.8 E. None ofthese Find the variance 0'2 for the probability distribution table shown in problem #1. Round your answer to two decimal places. A. 1.4 B. 2.4 C. 0.44 D. 1 E. None of these Find the standard deviation 0 for the probability distribution shown in problem #1. Round your answer to two decimal places. A. 1.18 B. 1.55 C. 0.66 D. 1 E. None of these Use the Binomial Probability formula to calculate P(6) when n = 10 and p = 0.35 (round your answer to 3 decimal places) A. 0.069 B. 0.075 C. 0.0035 D. 0.179 E. None of these Use the Binomial Probability formula to calculate P(2) when n = 5 and p = 0.80 (round your answers to 3 decimal places) A. 0.328 B. 0.410 C. 0.205 D. 0.051 E. None of these Use the Binomial Probabilit Table A-1 to find P 3 when n = 11 and = 0.05 round our Week8(Partll):Exam#2:M' x 9 mm . , mini-mm)... 6 C' waubonseeinstructurecom Exam #2.pdf 6. Use the Binomial Probability Table A-1 to find P(3) when n = 11 and p = 0.05 (round your answer to 3 decimal places) A. 0.014 B. 0.087 C. 0.001 D. 0+ E. None ofthese . 7. Suppose that you take a five-question true or false quiz and guess at all of the answers. Find the probability of passing if 3 out of 5 is the lowest passing score on the quiz. (Round your answer to 3 decimal places) A. 0.312 B. 0.468 C. 0.499 D. 0+ E. None of these 8. Mars Candy Company claims that 30% of its plain M&M candies are green. Find the probability that when 15 M&M candies are randomly selected, exactly 5 are green. (Round your answer to three decimal places) A. 0.206 B. 0.003 C. 0.188 D. 0.250 E. None ofthese Week 8 (Part II): Exam #2: M' 6 C' waubonseejnstructurecom Exam #2.pdf l l i 9. Find the mean for a Binomial Probability distribution with n = '10 and p = 0.5 l A. 10.5 B. 20 C. 2.5 D. 5 E. None ofthese l l 10. Find the standard deviation for a Binomial Probability distribution with n = 100 and p = 0.3 ' A. 30 B. 100.3 C. 21 D. 4.58 E. None of these 11. Find the area under the Standard Normal curve to the left of z = -1.37 A. 0.9147 B. 0.0853 C. 0.1492 D. 0.0968 E. None of these 12. Find the are under the Standard Normal curve to the right of z = 2.01 A. 0.9821 B. 0.9778 C. 0.0222 0. 0.0179 E. None of these ' 13. Find the area under the standard normal curve between 2 = 1.75 and z = 3.19 ' A. 0.9592 B. 0.9993 C. 00401 D. 1.0394 E. None of these 14. Suppose that LG. scores are normally distributed with a mean of u = 100 and a standard deviation 0 = 15. Find the probability that a person chosen at random from the population has an |.O.. score of less than 95. A. 0.6293 B. 0.3707 C. 0.0005 D. 0.9995 E. None of these 15. Suppose that LG. scores are normally distributed with a mean of u = 100 and a standard deviation 0 = 15. Find the probability that a person chosen at random from the population has an LG. score greater than 119. A. 0.8980 B. 0.8962 C. 0.1038 D. 0.1020 E. None of these Week8(Partll):Exam#2:M' x 9 mm 6 C' waubonseeinstructurecom Exam #2.pdf 16. Suppose that LG. scores are normally distributed with a mean of pi = 100 and a standard deviation :1 = 15. Find the 80'h percentile. A. 112 B. 112.6 C. 99 D. 112.75 E. None ofthese 17. Suppose that the average useful life for a certain brand of cell phone is normally distributed with u = 3.73 years and a = 0.87 years. Determine the cutoff score for a warranty period if the manufacturer wants to replace exactly 3% of the units it sells. A. 2.0944 years B. 1.0735 years C. 3.7346 years D. 5.6789 years E. None of these Section II: True or False 18. T or F: The probability ofan event can never be negative 19. T or F: z-scores can never be negative