The table and the graph below each show a different relationship between the same two variables, x and y: How much more would th
e value of y be on the graph than its value in the table when x = 12? (1 point) a 20 b 30 c 60 d 70
1 answer:
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Answer:
a) i) The probability depends on the total number of counters not on the number of colors.
ii) There are 10 number of counters not 4
b)
Step-by-step explanation:
Given that:
Total number of counters in a bag = 10
Number of red counters = 4
Number of green counters = 3
Number of pink counters = 2
Number of blue counters = 1
a) Ella writes: "There are four colors, so the probability of selecting a green is , so the probability is
"
Ella has considered the total type of counters here, which is 4.
But Ella must have considered total number of counters which is 10.
i) The probability depends on the total number of counters not on the number of colors.
ii) There are 10 number of counters not 4
b) There are 4 colors in the bag.
Formula for probability of an event E can be observed as:
To select 2 counters of the same color:
The required probability will be the sum of all 4 above probabilities:
➼
Taking as common from first two terms and 2 from last two terms, we have
➼
Taking the factor as common,
➼