Answer:
46.37 square units
Step-by-step explanation:
If the right triangle is revolved the figure shown about the y-axis completely, the figure will be formed as a cone. As you can see in my attached photo.
So, the radius of the cone is : 2 units
the slant height is: = (use pytagon theory)
Hence, the total surface area of the resulting figure
SA = π * the radius * the slant height + π*
= 3.14*2* + 3.14*2*2
= 33.81 + 12.56
=46.37 square units
If 0.75 cups = 20 cookies
0.375 cups = 10 cookies
1.875 cups = 50 cookies
Answer:
A. 2/5
C. 5/5 or 1
Step-by-step explanation:
A. Rise = 2
Run = 5
C. Rise = 5
Run = 5
Answer: .012
Step-by-step explanation:
We know that when two events A and B are independent of each other , then the probability of their intersection is given by :-
Given : The probability that a shopper buys shoes is 0.12
The probability that a shopper buys a book is 0.10
Since, both the events are independent , then the probability that a shopper buys shoes and a book is given by :-
Hence, the probability that a shopper buys shoes and a book is .012 .
Answer:
The probability that at least one of the 20 4th graders is addicted to comic books is 0.12.
Step-by-step explanation:
Let X = number of hours a 4th grader reads comics and Y = number of 4th grader addicted to reading comics.
The random variable X is continuous and follows a normal distribution with mean, μ = 6 hours and standard deviation, σ = 2 hours.
And the random variable Y is discrete and follows a binomial distribution with success defined as a 4th grader is addicted to reading comics.
Compute the probability that a 4th grader is addicted to reading comics as follows, i.e. determine the value of P (X > 11) .
Use the <em>Z</em>-table for the probability value.
Now compute the probability that out of 20 fourth graders at least 1 is addicted to comics as follows:
The Binomial probability function is:
Compute the value of as follows:
Thus, the probability that at least one of the 20 4th graders is addicted to comic books is 0.12.