- Score on last try: 2 of 4 pts. See Details for more. Next question You can retry this question below Of the 72 students enrolled in a statistics class last semester, 39 searched online for answers and 35 lived close to campus. Report answers accurate to 4 decimal places. If two students were selected from the class, one after the other and without replacement, what is the probability that: a. the second student searched online for answers given the first student also did? 0.4722 x b. both students searched online for answers? 0.2899 ~/ I c. only the second student lived close to campus (the first student did not)? d. neither of the two students searched online for answers? 0.2066 ~/ I - Score on last try: 2 of 3 pts. See Details for more. Next question You can retry this question below American Airlines' flights from Boston to Atlanta are on time 60 % of the time. Suppose 12 flights are randomly selected, and the number ontime flights is recorded. Round answers to 3 significant figures. The probability that exactly 10 flights are on time is = 0.0639 J I The probability that at most 8 flights are on time is -. The probability that at least 11 flights are on time is - - Score on last try: 1.33 of 2 pts. See Details for more. Next question You can retry this question below About 41% of a population are of a particular ethnic group. 230 people are randomly selected from this population. Round all answers to 3 decimal places. Convert the percentage of the population to a decimal: p- Compute the mean and standard of this size sample of this binomial distribution: Standard Deviation: 7.459 v I - Score on last try: 0 of 4 pts. See Details for more. Next question You can retry this question below A local county has an unemployment rate of 5.5%. A random sample of 16 employable people are picked at random from the county and are asked if they are employed. Round answers to 4 decimal places. a) Find the probability that exactly 4 in the sample are unemployed. b) Find the probability that there are fewer than 2 in the sample are unemployed. D c) Find the probability that there are more than 4 in the sample are unemployed. D d) Find the probability that there are at most 2 in the sample are unemployed. D I> In a large population, 78% of residents have been vaccinated. Suppose a random sample of 15 residents is selected, what is the probability that: Report answers accurate to at least 4 decimal places. a. all of them are vaccinated? b. not all of them are vaccinated? c. more than 9 of them are vaccinated? d. less than the expected number of vaccinated residents is found in the sample