Answer:
Example:
A bag contains 3 black balls and 5 white balls. Paul picks a ball at random from the bag and replaces it back in the bag. He mixes the balls in the bag and then picks another ball at random from the bag.
a) Construct a probability tree of the problem.
b) Calculate the probability that Paul picks:
i) two black balls
ii) a black ball in his second draw
Solution:
tree diagram
a) Check that the probabilities in the last column add up to 1.
b) i) To find the probability of getting two black balls, first locate the B branch and then follow the second B branch. Since these are independent events we can multiply the probability of each branch.
ii) There are two outcomes where the second ball can be black.
Either (B, B) or (W, B)
From the probability tree diagram, we get:
P(second ball black)
= P(B, B) or P(W, B)
= P(B, B) + P(W, B)
Answer:
<u>9.66 x 10⁴ minutes</u>
Step-by-step explanation:
To convert seconds into minutes, simply divide by 60.
=> 5.8 x 10⁶ / 60
=> 580 x 10⁴ / 60
=> 29 x 10⁴ / 3
=> <u>9.66 x 10⁴ minutes</u>
Answer:
32.5 ft^2
Step-by-step explanation:
All sides of a square have the same length. Area would therefore be:
(5.7 ft)(5.7 ft) = 32.5 ft^2
You divide 91/14 to get w=6.5.
Answer:
Step-by-step explanation:
quadrants (that are labeled from first to fourth and are denoted by roman numerals). ▫. Students identify ... Some important aspects for students to remember include the following: ▫. The -axis ... Graph at least five points on the -axis, and label their coordinates. Points will vary. ... compare the standard symbols
