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A test consists of 10 true or false questions to pass the test the student must answer atleast 8 correctly if the student guesses on each question what is the probability that the student will pass?
7/128, or about 5.5% The student has a 1/2 probability of getting each question correct. The probability that he passes is the probability that he gets 10 correct+probability that he gets 9 correct+probability that he gets 8 correct: P(passes)=P(10 right)+P(9 right)+P(8 right)=[(1/2)^10]+[(1/2)^10]*10+[(1/2)^10]*Combinations(10,2)=[(1/2)^10](1+10+45)=56/1024=7/128.
A student measures the speed of a rolling ball three times She adds the measurements and divides by 3 What quantity did the student calculate?
The student is calculating the average or mean speed of the ball.
Why student sleep in class?
because they are tired
A student takes a six question multiple choice quiz with 4 choices for each question What is the probability that the student will answer exactly 4 correctly?
P = (6!)/(6-4)!4!=15
A test consists of 690 true or false questions If the student guesses on each question what is the mean number of correct answers?
Since there are only two options for the answer, on average the student will answer half of the answers correctly.
A student must answers 8 out of 10 questionshow many choices does the student have?
This is a combinations question. The answer is C(10,8), the number of combinations of 10 things taken 8 at a time, which also equals the number of combinations of 10 things taken 2 at a time. You can imagine why these are the same: choosing 8 questions to answer out of ten is the same thing as not choosing 2 questions to answer out of ten. C(10,2) = (10*9)/(2*1) = 45. There are 45 different choices the student can make of which eight questions to answer.
How many combinations of 4 students can you get from a 5 person swimming team?
Any combination of 5 students leaves one student out. Since there are 5 possible students to leave out, the number of combinations of all but one student is 5.
Who is Elise in Beethoven's music?
Ludwig van Beethoven composed "Fur Elise" for Therese Malfatti, a student for whom he had a shine and who he hoped to marry.
What has the author Therese Bissen Bard written?
Therese Bissen Bard has written: 'Student assistants in the school library media center' -- subject(s): Employees, Instructional materials centers, School libraries, Student library assistants, Volunteer workers in libraries 'John and Mollie Bissen in their time' -- subject(s): Farm life, Biography 'John and Mollie Bissen in their time'
How many ways can a committee of 6 be chosen from 5 teachers and 4 students if all are equally eligible?
To calculate the number of ways a committee of 6 can be chosen from 5 teachers and 4 students, we use the combination formula. The total number of ways is given by 9 choose 6 (9C6), which is calculated as 9! / (6! * 3!) = 84. Therefore, there are 84 ways to form a committee of 6 from 5 teachers and 4 students if all are equally eligible.
Can you write a sentence with the word combinations in the sentence?
Today in homeroom, the anxious students will receive their locker combinations and a student handbook.The school colors are combinations of green, white, and black.
How are traditional Algorithms different from student invented strategies?
How are traditional algorithms different from student-invented strategy
How much does the average college student spend on coffee per week?
The average college student spends five dollars a day on coffee. During a typical school week this amounts to twenty-five dollars.
How much does Adobe sell their Creative Suite for?
A student version sells for around 400 dollars while a professional version sells for around 800 dollars but it has many more features than the student version.
What to do to be a student of Harvard university?
Tell your dad to donate millions of dollars to Harvard.
How much is the student loans at the u of phoenix?
$55,460 dollars for fifty months
The different between good student and bad student?
A student is a pupil. They are not different because if you call someone pupil they will think that you are calling them a student. So if you are going to call someone pupil all ways rember to think of that they are student
