### 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, Math

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