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evablogger [386]
3 years ago
12

A grab bag contains 7 football cards and 3 basketball cards. An experiment consists of taking one card out of the bag, replacing

it, and then selecting another card. What is the probability of selecting a football card and then a basketball card? Express your answer as a decimal.
Mathematics
2 answers:
8_murik_8 [283]3 years ago
8 0
Hello!

The chance of getting a football card is 7 / 10
The chance of then getting a basketball card is 3 / 10

Multiply these two numbers

7/10 * 3 / 10 = 21/100

21/100 = 0.21

The answer is 0.21 or 21%

Hope this helps!
ra1l [238]3 years ago
7 0
0.21 is the correct answer
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