A TV remote control has keys for channels 0 through 9.

a) If a key is selected at random, what is the probability that the key for channel 5 is pressed?

b) If a key is selected at random, what is the probability that the key for an even number is pressed?

c) If a key is selected at random, what is the probability that the key for a number less than 5 is pressed?

11.1#12

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15 July, 08:59

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Kolten Caldwell · Answer 1

0-1-2-3-4-5-6-7-8-9

(Ten different numbers)

a) 1/10

b) 4/10 (simplified to) 2/5 (zero is neither odd nor even)

c) 5/10 (simplified to) 1/2