Number of White Balls Selected Number of Red Balls Selected
Bowl A 45 55
Bowl B 60 40
Bowls A and B contain a number of white and red balls. Clark repeatedly selected a ball from both bowls and recorded the results in a table. If there are 500 balls in Bowl B, what is the estimated difference in the expected number of white and red balls in Bowl B?
(1 point)
Responses
200
200
50
50
100
100
300
300
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The estimated difference in the expected number of white and red balls in Bowl B can be calculated by finding the difference in the percentage of white balls and red balls selected from Bowl B.
From the table, we can see that for Bowl B:
- percentage of white balls selected = 60/(60+40) = 60%
- percentage of red balls selected = 40/(60+40) = 40%
The difference in the percentages of white and red balls selected from Bowl B is:
60% - 40% = 20%
Since there are 500 balls in Bowl B, the estimated difference in the expected number of white and red balls in Bowl B would be:
20% of 500 = 0.2 * 500 = 100
Therefore, the estimated difference in the expected number of white and red balls in Bowl B is 100.
So, the answer is:
100