SOLUTION: A box contains ten balls, numbered 1 through 10. Marisha draws a ball. She records its number and then returns it to the bag. then Penney draws a ball. Find each probability.
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-> SOLUTION: A box contains ten balls, numbered 1 through 10. Marisha draws a ball. She records its number and then returns it to the bag. then Penney draws a ball. Find each probability.
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Question 295626: A box contains ten balls, numbered 1 through 10. Marisha draws a ball. She records its number and then returns it to the bag. then Penney draws a ball. Find each probability.
1.P(9,then 3)
2.P( even,then odd)
3.P( odd,then 2)
4.P (the sum of the numbers is 25)
5.P(prime, the composite)
6.P(a factor of 8, then a multiple of 2)
My sons answers were:
1.27/100
2.25/100=1/4
3.10/100=1/10
4.25/100=1/4
5.21/100
6.0/100=0
Reviewing his homework I do not think he understands this section. Please explain your answers. Answer by richwmiller(17219) (Show Source):