Answer the questions...no need detail explanation

Question 1

On a particular busy street of Petra Jaya in Kuching, police use radar guns to detect speeding drivers. Assume the time that elapses between successive speeders is exponentially distributed with the mean of 8 minutes. What is the probability of a waiting time is less than 6 minutes between successive speeders? A. 0.1353 B. 0.4273 C. 0.5276 D. 0. 8647Which of the following meets the requirements of a simple random sample? A. A population contains 10 members under the age of 25 and 20 members over the age of 25. The sample will include six people who volunteer to be sampled. B. A population contains 10 members under the age of 25 and 20 members over the age of 25. The sample will include six males chosen at random, without regard to age. C. A population contains 10 members under the age of 25 and 20 members over the age of 25. The sample will include six people chosen at random, without regard to age. D. A population contains 10 members under the age of 25 and 20 members over the age of 25. The sample will include two people chosen at random under the age of 25 and four people chosen at random over 25