Answer:
i need points lol
Step-by-step explanation:
sorryyyyy
What are the options? But I think a good estimate is $700.
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:
I know that the first one is the (sum) of a number x and 8.1 but im not sure about the rest im sorry