The probability for event A is 0.3, the probability for event B is 0.6, and the probability of events A or B is 0.8. Why are the events not mutually exclusive?
A standard deck of 52 playing cards contains 13 cards in each of four suits: hearts, diamonds, clubs, and spades. Four cards are drawn from the deck at random. What is the approximate probability that exactly three of the cards are diamonds?
The distance between city A and city B is 22 miles. The distance between city B and city C is 54 miles. The distance between city A and city C is 51 miles. What type of triangle is created by the three cities?
Four speed skaters, Marco, Naim, Oliver, and Pedro, compete in a relay race where they all agree that Naim will be the last skater. Then, they try to decide whether or not Oliver should be the first skater in the race. Which subset, cap A , of the sample space shows the complement of the event in which Oliver is the first skater in the race?
A parabola can be represented by the equation y2=12x. Which equation represents the directrix?
The volume of a cone is 3πx3 cubic units and its height is x units. Which expression represents the radius of the cone’s base, in units?
What is the length of line segment EB ?
What is the height of the triangle?
In the given diagram, tangent theta is equal to square root of 3 What is the value of m ?
What are the measures of angles PQR and PSR ?
What is true about triangle ABC ? Choose three correct answers.
What is the length of line segment GH ?
Which solution finds the value of x in the triangle?
What is the measure, in radians, of central angle POQ ?
What is the probability that a randomly selected car with no 4 -wheel drive has third-row seats?
The measure of central angle QRS is 8π9 radians. What is the area of the shaded sector?
Kite WXYZ is graphed on a coordinate plane. What is the area of the kite?
What is the value of secant theta given the diagram?
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