Jana has a bag of marbles. Without looking, she removes one marble from the bag, records the color, and replaces it. She repeats this process 50 times and records the results in the table. Color Frequency Red Blue 14 Green 9 Yellow What is the probability that Jana will pick a blue marble on her fifty-first time? ​

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.

Math question.. plz me .. best answer all

What ia the sum if the first 7 terms of the geometric series