Step-by-step explanation:
The sample space is the list of possible combinations:
H1, H2, H3, H4, T1, T2, T3, T4
Combinations that include a 2 are:
H2, T2
1 25/63, 2 26/27, 5 5/18, 285
To find the mean <span>Just add up all the numbers, then divide by how many numbers there are.
7 sets of numbers
the sum of all numbers is 105
105 </span>÷ 7 = 15
so the mean of the years is 15
Answer:
n² + 3
this is the expression
Step-by-step explanation:
Answer:
132 cm
Step-by-step explanation:
pie = 22/7
42 times 22/7 = 132cm
