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A bag contains 15 black, 17 green, 22 pink, and 29 yellow tokens. You pick one token at random. Find the probability that it is not pink.

[tex]\[ P(\text{not pink}) = \][/tex]

[tex]\[ \square \][/tex]


Sagot :

Sure, let's solve the problem step-by-step!

1. Identify the number of each type of token:
- Black tokens: [tex]\(15\)[/tex]
- Green tokens: [tex]\(17\)[/tex]
- Pink tokens: [tex]\(22\)[/tex]
- Yellow tokens: [tex]\(29\)[/tex]

2. Calculate the total number of tokens:
[tex]\[ \text{Total tokens} = 15 + 17 + 22 + 29 = 83 \][/tex]

3. Identify the number of non-pink tokens:
- Non-pink tokens include black, green, and yellow tokens.
[tex]\[ \text{Non-pink tokens} = 15 + 17 + 29 = 61 \][/tex]

4. Calculate the probability of picking a non-pink token:
[tex]\[ P(\text{not pink}) = \frac{\text{Number of non-pink tokens}}{\text{Total number of tokens}} = \frac{61}{83} \][/tex]

5. Convert the fraction to a decimal (optional but often useful):
[tex]\[ \frac{61}{83} \approx 0.7349397590361446 \][/tex]

So, the probability of picking a token that is not pink is approximately [tex]\(0.7349\)[/tex].