Question

so I have a problem my teacher keeps re-assigning 8 questions I don't know what I'm doing wrong but I keep failing the assignment and she doesn't tell me which questions I am getting wrong I really need help it's all probability which is not my best subject LOL
1) if two coins are flipped what is the probability that both coins will land on tails? 100%, 75 %, 50%, or 25% I chose 50%

2) if a coin is flipped and then a six-sided number cube is rolled what is the probability that the outcome will be heads and a 2?
33%, 1/12, 12%, 1/8
I chose 1/8

Answer 1

3) if three independent events happen one after another which of the following sample space tools cannot be used? list, tree diagram, table, or Venn diagram
I chose Venn diagram
4) how many outcomes are there for the event of rolling a six-sided number cube and then spinning a four-part spinner? 10, 12, 24, 64
I chose 10
5)If a four-part spinner is spun twice what is the probability that the numbers but don't match? 9/16, 75%, 3/8, 25%
I chose 75%

Answer 2

6) if two 10-sided number cubes are rolled which of the following sample space tools should be used two best show all of the outcomes?
list, tree diagram, table, Venn diagram
I chose list.
7) you have two bags of marbles one bag has 2 marbles yellow and orange second bag of marbles has 3 marbles red green and blue what is the space for the event of randomly choosing a marble from each bag?
A.Yellow-green orange-green
yellow-red orange-red
yellow-blue orange-blue
B. Yellow-orange green-blue
red-green orange-red
yellow-red yellow-blue
C. yellow-red yellow-orange
yellow-green yellow-blue
D. orange, yellow, red, green, blue

8) how many different ways are there to arrange the letters DD and E?
1, 3, 6, 9
I chose 3.