Here are the midterm exam scores for a very small population of students. Student A: 94
Student B: 82
Student C: 76
Student D: 68
(a) List all 6 possible SRSs of size n = 2, and calculate the mean midterm score for each sample
(b) How would the sampling distribution change if we took SRSs of size n = 3 instead

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.