5 blue chips
Mathematics, 18.03.2020 22:37 alexandergonzalez38
The number of chips of different colors in Vicky's bag is shown below:
5 blue chips
11 pink chips
9 white chips
Vicky takes out a chip from the bag randomly without looking. She replaces the chip and then takes out another chip from the bag. What is the probability that Vicky takes out a blue chip in both draws? (5 points)
5 over 25 multiplied by 5 over 25 equals 25 over 625
5 over 25 multiplied by 5 over 25 equals 25 over 625
5 over 25 multiplied by 4 over 24 equals 20 over 600
5 over 25 plus 4 over 24 equals 220 over 600
2.
(07.02 LC)
Alicia rolls two fair number cubes numbered from 1 to 6. She first defines the sample space, as shown below:
(1, 1), (1, 2), (1, 3), (1, 4), (1, 5), (1, 6)
(2, 1), (2, 2), (2, 3), (2, 4), (2, 5), (2, 6)
(3, 1), (3, 2), (3, 3), (3, 4), (3, 5), (3, 6)
(4, 1), (4, 2), (4, 3), (4, 4), (4, 5), (4, 6)
(5, 1), (5, 2), (5, 3), (5, 4), (5, 5), (5, 6)
(6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6, 6)
Based on the sample space, what is the probability of getting a total of 7? (5 points)
4 over 36
5 over 36
6 over 36
8 over 36
3.
(07.02 MC)
There are 4 cards with a picture of a rose and 3 cards with a picture of a daisy. Fiji keeps all the cards face down on the table with the pictures hidden and mixes them up. She then turns over one card and finds the picture of a rose on it. She removes this card from the table and turns over another card without looking. What is the probability that the card that Fiji turns over has a rose on it? (5 points)
3 over 7
3 over 6
4 over 7
4 over 6
4.
(07.02 LC)
Eva is playing a game at the school carnival. There is a box of marbles, and each box has a white, a green, a blue, and an orange marble. There is also a fair 2-sided coin. How many outcomes are in the sample space for pulling a marble out of the box and tossing the coin? (5 points)
3
9
7
8
5.
(07.01 LC)
The table shows the number of glass bottles of different colors in a shelf. A fair coin is shown below the table.
Color of
Glass Bottle Number
Red
9
Blue
1
Green
6
Purple
4
A coin
Danny selects a glass bottle from the shelf randomly without looking and then tosses the fair coin. What is the probability that he will select a purple glass bottle and that the coin will land heads up? (5 points)
1 over 10
1 over 8
1 over 6
1 over 5
Answers: 1
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The number of chips of different colors in Vicky's bag is shown below:
5 blue chips
5 blue chips
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