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:
15/-7
Step-by-step explanation:
slope is y(2) - y(1) / x(2) - x(1)
120-0/0-56
120/-56
simplified
1.ture
2.false hope i helped
Replace each letter for the value it's worth, so:
= 10 * -4 * 5
= -200
Miguel's batting average is approximately 0.330
<u><em>Explanation</em></u>
Miguel Cabrera had 205 hits in 622 times at bat.
For finding the batting average, we need to <u>divide the number of hits by the total number of times</u> at bat and then round the result up to <u>three decimal places</u> as batting average is usually rounded to three decimal places.
So, Miguel's batting average 
≈ 0.330 (Rounded to three decimal places)
