Answer:
Third option
Step-by-step explanation:

is the correct answer.
Answer:
$7.15
Step-by-step explanation:
You would get this by dividing $35.75 by 5.
78.8 rounded to the nearest tenths is 78.8
We can not round it to the tenths because it already is rounded to the tenths.
Answer:

And we can find this probability to find the answer:

And using the normal standar table or excel we got:

Step-by-step explanation:
Let X the random variable that represent the amounts of nocatine of a population, and for this case we know the distribution for X is given by:
Where
and
We have the following info from a sample of n =37:
the sample mean
And we want to find the following probability:

And we can use the z score formula given by;

And if we find the z score for the value of 0.872 we got:

And we can find this probability to find the answer:

And using the normal standar table or excel we got:

14 = 6x4 + b
14 = 24 + b
-10 = b
Hope this is accurate & helpful! Let me know if there are any errors or if you have any additional questions.