Answer:
7 students.
Step-by-step explanation:
To pass science, a student requires at least 70 grades so students who scored below 70 will be failed.
From the given bar chart we can calculate the number of students who scored below 70 grades
Students who earned 50 - 59 = 2
Students who earned 60 - 69 = 5
Therefore, number of students who failed were
2 + 5 = 7 students.
Given :
let's solve for f(x) × g(x) :
therefore, correct choice is : D
Answer:
2
Step-by-step explanation:
i used a calculator and the rounded
has CDF
where
is the CDF of
. Since
are iid. with the standard uniform distribution, we have
and so
Differentiate the CDF with respect to
to obtain the PDF:
i.e.
has a Beta distribution
.
Answer:6.774 gallons
Explanation: They drove 210 miles with 31 miles per gallon. So you divide 220/31=x
X=6.774 gallons
