A bag of marbles contains the following assortment of marbles.   Yellow Green Yellow Red Blue Blue Yellow Red   Bag of Marbles The experiment is to reach into a bag and pull out two marbles with replacement. Calculate the probability of selecting at least one Red marble. P(at least one Red) =

Kaolin is taking a multiple choice math test. Each question has seven presented answers, but only one is correct. If Kaolin guesses randomly for each of the nineteen questions the test has, determine the probability that Kaolin gets at most one question correct. A. 618719 B. 25719 C. (190) +(191)719 D 61825719 E. (61)(191)719

You are doing research on balance and fitness.  To complete this research you will need a watch with a second hand.  Identify a random sample of n = 12 men and n = 8 women.  You must answer this question: How do you establish that this sample is truly random? Have each subject perform the following task:   Have the subjects stand with their hands at their side, raise one knee, cross their ankle over the other knee, squat and bring their hands palms together in front of their chest. Time the subject until they put their foot back down on the floor.   b) Ask the following questions: i) How many days per week do they exercise? ii) What is their favorite exercise?   You will analyze your data and compute the following statistics for each group:   1) The Mean and standard deviation of the number of seconds the subject stayed balanced 2) The Median number of days per week exercised 3) The Mode of the favorite exercise 4) The 90% confidence interval of the mean   Construct a complete…