Question

The object of the game is to throw paper in the shape of a ball in a trash can that is 10 feet away. The random variable X represents the number of times a player dunks the paper ball in the trash can.

x 0 1 2 3 4
P (x) 0.073 0.117 0.258 0.322 0.230
1. What is the probability of dipping at most 2 times:
0.117
0.45
0.256
0.258

2. Calculate the mean of the probability distribution of the variable X:

2,418
one
1,923
2,519
 
3. What is the probability of dipping more than 1 time ?:

0.2
0.8
0.9
0.1
  
4. Find the standard deviation

2,519
1,381
1,175
1,042

Answer 1