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1. Which of the following numbers could be the probability of an event? 1, 1.22, 0.26, 0, 0.48, 0.09
The numbers that could be a probability of an event are
2.
A golf ball is selected at random from a golf bag. If the golf bag contains 8 type A balls, 5 type B balls, and 3 type C balls, find the probability that the golf ball is not a type A ball. The probability that the golf ball is not a type A ball is. (Type an integer or decimal rounded to three decimal places as needed.)The accompanying data represent the homework scores for material on Polynomial and Rational Functions for a random sample of students in a college algebra course. Complete parts (a) through (i). a Click the icon to view the data. (a) Construct a relative frequency distribution with a lower class limit of the rst class equal to 30 and a class width of 10. (Type integers or decimals. Do not round.) Relative Frequency X _ College algebra homework scores Class The probability that a randomly selected 3-year-old male salamander will live to be 4 years old is 0.99225. (a) What is the probability that two randomly selected 3-year-old male salamanders will live to be 4 years old? (b) What is the probability that five randomly selected 3-year-old male salamanders will live to be 4 years old? (c) What is the probability that at least one of five randomly selected 3-year-old male salamanders will not live to be 4 years old? Would it be unusual if at least one of five randomly selected 3-year-old male salamanders did not live to be 4 years old? (a) The probability that two randomly selected 3-year-old male salamanders will live to be 4 years old is. (Round to five decimal places as needed.)Suppose that E and F are two events and that N(E and F) = 290 and N(E) =490. What is P(F|E)'.7 P(F|E) 4:; (Round to three decimal places as needed.) In a recent poll, a random sample of adults in some country (18 years and older) was asked, "When you see an ad emphasizing that a product is "Made in our ocuntry,\" are you more likely to buy it, less likely to buy it, or neither more nor less likely to buy it?" The results of the survey, by age group, are presented in the following contingency table. Complete parts (a) through (0). Purchase Ilkallhood 13-34 354445-54 55 + Total 12., More likely 210 387 392 400 1389 Less likely 29 10 25 11 75 Neither more nor less likely 294 200 151 121 766 Total 533 597 568 532 2230 (a) What is the probability that a randomly selected individual is 35 to 44 years of age, given the individual is more likely to buy a product emphasized as "Made in our country"? The probability is approximately . (Round to three decimal places as needed.)
