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Mathematics, 07.10.2019 06:30 itzyoboyCj
07.03 lc)
at a conference for 500 people, 20% of the participants are french, 50% are americans, 5% are germans, and are of other nationalities. how many french participants are at the conference?
10
20
100
120
mike is giving roses to some children at a carnival. he has 7 red roses, 8 yellow roses, and 9 white roses. if mike selects a rose randomly without looking, what is the probability that he will give a white rose to the first child and then a yellow rose to the second child?
9 over 24 plus 8 over 23 equal to 399 over 552
9 over 24 multiplied by 8 over 23 equal to 72 over 552
9 over 24 multiplied by 8 over 24 equal to 72 over 576
9 over 24 plus 8 over 24 equal to 17 over 24
sarah used a probability simulator to roll a 12-sided number cube 100 times. her results are shown in the table below:
number on cube vs number of times rolled
1 18
2 5
3 10
4 12
5 16
6 5
7 8
8 14
9 2
10 5
11 2
12 3
using sarah's simulation, what is the frequency of rolling a 2 on the number cube?
100 over 5
100 over 95
95 over 100
5 over 100
the table below shows the number of marbles of different colors in a bag:
marble experiment
color of
marbles
red = 1
white = 5
black = 10
ursula draws a marble from the bag randomly without looking. she then draws another marble from the bag without replacing the first one. which expression shows the probability of drawing black marbles in both the trials?
10 over 16 added to 9 over 16
10 over 16 added to 9 over 15
10 over 16 multiplied by 9 over 16
10 over 16 multiplied by 9 over 15
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07.03 lc)
at a conference for 500 people, 20% of the participants are french, 50% are am...
at a conference for 500 people, 20% of the participants are french, 50% are am...
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