Factorials
Solve the expression: 7!
What is 5040
10P2
What is 90
7C3
What is 35
A multiple-choice test has 10 questions. There are four answer choices for each question. Matt knows for sure that 6 questions are correct. If he guesses on the other questions, determine the probability that he gets at least a 50% on the test.
What is 99%
Solve this PDF with the information provided:
Trials: 90
P: 60%
X: 16
What is 2.16085239E-16
What is 4320
7P7
What is 5040
Multiply 6C2 and 2C2
What is 15
At a university, the probability that a junior will be promoted to senior status is 0.627. What is the probability that at least 20 out of the 100 juniors will become seniors?
What is 3.01600536E-18
A fair coin is tossed. What is the probability that the coin will land on heads exactly 54 times if the coin is flipped 100 times? (make sure you round)
What is 6%
Multiply 7! 3! and 2!
What is 60,480
Multiply 10P2 and 7P4
What is 75,600
How many ways can three different shirts be given to six kids?
What is 20
A baseball player has a batting average of 30%. What is the chances of the baseball player getting more than 5 hits in his next 10 times at bat?
What is 95%
A multi-colored spinner has 10 colors. There is a 10% chance of landing on the color teal. What is the probability of landing on teal exactly 6 times in 12 spins?
What is 4.91051484E-4
How many ways can you arrange 6 books on a shelf?
What is 720
How many ways can the word STARBURST start with a vowel?
What is 20,160
There are six types of juices: apple juice, orange juice, peach, citrus, mango, as well as pineapple juice. How many times can these juices be arranged in a refrigerator with three shelves?
What is 20
A coin is tossed 100 times. What is the probability that the coin will land on tails at most 46 times?
What is 24%
A Christmas light strip company knows that 46% of their lights are defective. What is the probability that exactly 26 of their 100 pack of lights will be defective?
What is 1.877915376E-5
Solve the expression: 5!
What is 120
What is 30
There are ten positions and twenty-three candidates. How many times can the list be arranged?
What is 1,144,066
A basketball player makes 70% of the 3-pointers she attempts. She is going to shoot 3-pointers. Find the probability that the basketball player makes at least two of the 4 3-pointers. (Make sure to round)
What is 35%
A multiple choice test has 20 questions. There is a probability that most students will answer any question incorrectly 30% of the time. Find the probability of answering exactly four questions correctly.
What is 5.007558332E-6