Answer:
Get the mean and standard deviation with excel spreadsheet and do the calculation as shown in details below.
Answer:
The graph increases
Step-by-step explanation:
Answer:
3/12 = 1/4
Step-by-step explanation:
There are 12 marbles in the bag. If the marble drawn at random is red, it is one of the 3 red marbles.
The probability is "3 out of 12" = 3/12 which simplifies to 1/4.
Answer:
-1/56
Step-by-step explanation: