Two events are __________ if the probability of one event doesn't affected the probability of the other event.
What is independent?
100
The mean score for a chapter test in a math class was 86 with a standard deviation of 5. Find the probability that a test taker scored below an 80.
What is 0.1151?
100
√-25
What is : ± 5i
100
2x³ + 5x² - 7x +4 + ( x³ - 3x² -4x)
What is: 3x³ + 2x² -11x +4
100
Set A = {apple, orange, banana}
Set B = {strawberry, blue berry, apple}
A intersect B =
What is apple?
200
A coin is tossed and a single 6-sided die is rolled. Find the probability of landing on the head side of the coin and rolling a 3 on the die.
What is 1/12?
200
The mean score for a chapter test in a math class was 86 with a standard deviation of 5. Find the probability that a test taker scored above a 70.
What is 0.9993?
200
Covert to Degrees 3π / 4
What is : 135°
200
( 3x³ -4x² +3x -5) - ( x² +4x - 8)
What is : 3x³ -5x² -x + 3
200
You roll a normal die.
P(~3) =
What is 5/6?
Remember ~ mean not
300
True or false. If two events are independent, then P(A and B) = P(A) + P(B).
What is false?
P(A and B) = P(A)*P(B)
300
As reported by the college board, the normally distributed mean math score for the SAT is 518 with a standard deviation of 115. Find the percent of SAT math scores that are less than 500.
What is 43.64%?
300
What is the inverse of g(x) = 3x² - 2 ; x ≥ 0
What is : y = ± √ x + 2 / 3
300
( 3x - 2) ( x² +4x -7 )
What is : 3x³ + 10x² -29x +14
300
A= { a, f, p, q } B = { a, b, c, d, e, f}
C = { p, q, r }: Complement of ( A ∩ B)
What is { b, c, d, e, p, q, r }
400
The probability of a New York teenager owning a skateboard is 0.37, of owning a bicycle is 0.81 and of owning both is 0.36. If a New York teenager is chosen at random, what is the probability that the teenager owns a skateboard or a bicycle?
What is 0.82?
0.37 + 0.81 - 0.36 = 0.82
400
As reported by the college board, the normally distributed mean reading score for the SAT is 503 with a standard deviation of 113. Find the percent of SAT math scores that are greater than 500.
What is 51.2%
400
Rewrite in exponential form log base 2 8 = 3
What is 2³ = 8
400
( 3x³ -14x² +16x -22 ) ÷ ( x- 4)
What is: 3x² -2x + 8 R=10
400
What is the equation of a parabola with focus F (2,0) and vertex at (0,0)
What is y² = 8x
500
A math teacher gave her class two tests. 25% of the class passed both tests and 42% of the class passed the first test. What percent of the students passed the second test given that they passed the first test?
What is 60%?
P(Second|First) = 0.25/0.42 = 0.6 = 60%
500
The weight of adult male beagles are normally distributed, with a mean of 25 pounds and a standard deviation of 3 pounds. Find the probability that the weight of a randomly selected male beagle is between 23 and 25 pounds.
What is 0.2486?
500
√72x³
What is 6x √2x
500
Find all real zeros : f(x) = x³ + 6x² + 5x -12
What is : { -4, -3, 1 }
500
What is the equation of a parabola with directrix at x = 3 and vertex at (0,0)