X-Intercepts And Y-Intercepts, Graph, Equation, Probability, Random, Expected Value
The key terms in this Mathematics course include X-Intercepts And Y-Intercepts, Graph, Equation, Probability, Red Marbles, Random, Expected Value, Random Variable, Coins, Tails, Straight Line, Ticket, Lottery, Winning Ticket, Deck of Cards, Red Card, Well-Shuffled Deck, Ace, Slope, Undefined, Mathematics
Find the x-intercepts and y-intercepts of the graph of the equation. 2x + y = 2
x-intercept: 2; y-intercept: 1
x-intercept: -3; y-intercept: 8
x-intercept: 8; y-intercept: -3
x-intercept: 1; y-intercept: 2 –Correct
Find the probability of the given event.
A bag contains 8 red marbles, 3 blue marbles, and 1 green marble. A randomly drawn marble is not blue.
9
1/4
4/3
3/4 –Correct
Find the expected value of the random variable in the experiment. Three coins are tossed, and the number of tails is noted.
1.75
1.5 –Correct
2
1
How many ways can 6 people be chosen and arranged in a straight line if there are 8 people to choose from?
20,160 –Correct
40,320
48
720
Suppose you buy 1 ticket for $1 out of a lottery of 1000 tickets where the prize for the one winning ticket is to be $500. What are your expected winnings?
-$.40
$0
-$.50 –Correct
-$1.00
Find the probability of the given event.
A card drawn from a well-shuffled deck of 52 cards is an ace or a 6.
7
7/26
2/13 –Correct
13/2
If a single fair die is rolled, find the probability of a 4 given that the number rolled is odd.
0 –Correct
1/6
1
1/2
One card is selected from a deck of cards. Find the probability of selecting a red card or a diamond.
3/4
0
1/2 –Correct
1/4
A family has five children. The probability of having a girl is . What is the probability of having exactly 2 girls and 3 boys?
.3125 –Correct
.0625
.6252
.0312
Find the slope of the line through (4, -7) and (6, 3)
5 –Correct
Undefined
2
10