Mathematics
Mathematics, 31.08.2019 09:30, dawsoncollins4117

May anyone check my answer. : )
a six-sided number cube is rolled twice.
what is the number of possible outcomes?
6
12
36 my answer
216
there are two spinners. the first spinner has three equal sectors labeled 1, 2 and 3. the second spinner has four equal sectors labeled 3, 4, 5 and 6. the spinners are spun once.
what is the number of possible outcomes that do not show a 1 on the first spinner and show the number 4 on the second spinner?
2
6 my answer
9
12
which events are independent?
select each correct answer.
a spinner is spun and a coin is flipped.
white marbles are drawn from a bag of marbles without replacing the marbles.
two number cubes are rolled at the same time.
one ball is drawn from a bag of balls after another ball is drawn without replacement. my answer
ten slips of paper labeled from 1 to 10 are placed in a hat. the first slip of paper is not replaced before selecting the second slip of paper. my answer
what is the probability of selecting an even number then a number greater than 7?
8/45
3/25 my answer
1/6
2/15
there are 3 green balls, 5 red balls and 2 blue balls in a box. one ball is randomly drawn, replaced and then another ball is drawn.
what is the probability of getting a green ball then a blue ball?
3/50
1/15 my answer
3/100
1/2
which statement best explains conditional probability and independence?
when two separate events, a and b, are independent, p(a|b)=p(a) . this means that the probability that event b occurred first has no effect on the probability of event a occurring next.
when two separate events, a and b, are independent, the probability of either event occurring is the same. therefore, p(a)=p(b) and p(a|b)=p(a) . my answer
when two separate events, a and b, are independent, the probability of either event occurring is the same. therefore, p(a)=p(b) and p(a|b)=p(b) .
when two separate events, a and b, are independent, p(a|b)=p(b) . this means that the probability that event a occurred first has no effect on the probability of event b occurring next.
the probability of choosing two green balls without replacement is 1150 , and the probability of choosing one green ball is 1225 .
what is the probability of drawing a second green ball, given that the first ball is green?
11/24
66/625
7/10 my answer
11/12
kim rolls a six-sided number cube labeled from 1 to 6.
what is the probability that she rolls a number greater than 3 or a 1?
2/3
1/3
1/12 my answer
1/2
a six-sided number cube labeled from 1 to 6 is rolled.
what is the probability of getting a multiple of 2 or a multiple of 3?
5/6
1/6
1/2
2/3 my answer

answer
Answers: 1

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May anyone check my answer. : )
a six-sided number cube is rolled twice.
what is the n...

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