Dion flips a coin 20 times and records if it comes up heads. if getting heads is a success, what is the probability of a success on each roll? .
0.2.
0.3.
0.5.
1.00

0.5.

Step-by-step explanation:

A probability is the division of the number of desired outcomes by the number of total outcomes.

In this problem:

A coin can be either heads or tails, so there are two possible outcomes.

The desired outcomes is heads, so there is one desired outcomes.

So the probability of a success on each roll is 1/2 = 0.5

the correct answer is 1: 2

step-by-step explanation:

hope this your welcome : )

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.