I believe it is d: whole numbers, integers, and rational numbers
Answer:
a) What is the probability that we will pick a blue ball?
there is a 50% chance that urn 1 will be selected and the possibility of a blue ball is 3/4 x 0.5 = 1.5/4
there is also a 50% chance that urn 2 will be selected and the possibility of a blue ball is 2/4 x 0.5 = 1/4
the probability of choosing a blue ball = 1.5/4 + 1/4 = 2.5/4 or 5/8
b) If we picked a blue ball, what is the probability that the selected urn was urn-1?
there are 5 blue balls in total, and 3 of them come from urn 1
c) Suppose we picked a blue ball. If we randomly pick one additional ball from the same urn, what is the probability that we pick a red ball?
there is a 50% chance that urn 1 will be selected, and the possibility of a red ball after a blue ball is 1/3 x 0.5 = 0.5/3
there is also a 50% chance that urn 2 will be selected and the possibility of a red ball after a blue ball is 2/3 x 0.5 = 1/3
the possibility of choosing a red ball after a blue ball = 0.5/3 + 1/3 = 1.5/3 = 1/2
Answer:
M = 1
Step-by-step explanation:
<h2>
x = - 6 or, 1</h2>
Step-by-step explanation:
The given quadratic equation:
By factorisation mmethod,
⇒ x(x + 6) - 1(x + 6) = 0
⇒ (x + 6)(x - 1) = 0
⇒ x + 6 = 0 or, x - 1 = 0
⇒ x + 6 = 0 ⇒ x = - 6
⇒ x - 1 = 0 ⇒ x = 1
∴ x = - 6 or, 1
Answer:
-4
Step-by-step explanation:
(2i)² = 2²*i² = 4 * -1 = -4