Answer: 4
Step-by-step explanation:
The power of the brain
I think it would be around 7 lbs
(i could be wrong but i think this is about right)
Today: x=19
y=67+19=86
9 years ago: x=19-9=10
y=86-9=77
The total age 9 years ago: x+y=10+77=87
Answer:
significance level
Step-by-step explanation:
In other to determine whether her sample proportion is "different enough" than the claimed population proportion, We will set significance level because p-value should be compared to significance level that will allow Joanna to make a conclusion about whether her sample proportion is "different enough" than the claimed population proportion.