Mathematics, 20.10.2021 02:30 jaxondbagley
1. Describe what a simple event is in probability.
2. Define compound probability.
3. If A and B are two independent events in a probability experiment, what rule can be used to determine the probability that both events occur simultaneously?
4. If A and B are two dependent events in a probability experiment, what rule can be used to determine the probability that both events occur simultaneously?
For problems 5β7, determine whether the events described are independent or dependent.
5. A month is selected at random; a number from 1 to 25 is selected at random.
6. A letter of the alphabet is selected at random; one of the remaining letters is selected at random.
7. A jar contains four blue marbles and two green marbles. Saundra chooses a marble at random and does not replace it. Then she chooses a second marble.
For problems 8β10, determine whether the events described are independent or dependent. Then answer each question.
8. You have three different hats you can wear to a costume party: a baseball cap, a top hat, and a cowboy hat. You also have four different colored shirts: blue, red, green, and black. If you choose one hat and one shirt at random, what is the probability that you choose the top hat and the red shirt?
9. You have a box with 3 red marbles, 2 blue marbles, and 4 green marbles. You pull out one marble, leave it out of the box, and then pull out another marble. What is the probability of puling out a green marble followed by a blue marble?
10. Suppose you draw two cards from a standard deck of cards, one after another, without replacing the first card. What is the probability that the first card is the queen of hearts and the second is a diamond
Answers: 2
Mathematics, 21.06.2019 16:30
Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?
Answers: 3
Mathematics, 21.06.2019 21:30
Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?
Answers: 3
Mathematics, 22.06.2019 01:20
The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!
Answers: 1
1. Describe what a simple event is in probability.
2. Define compound probability.
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