U add 1 1/4 in the left one
73/30 is how fast he walked in 3 hours
Solve the equation for x by finding a, b, and c of the quadratic then applying the quadratic formula.
x=2/3, 0
Answer:
And we can find this probability with this difference:
Step-by-step explanation:
Let X the random variable that represent the weights of a population, and for this case we know the distribution for X is given by:
Where
and
We want to find the following probability:
And we can use the z score formula given by:
And using this formula we got:
And we can find this probability with this difference: