The probability of Jack picking a yellow or white sock is 0.6 (60%).
The probability of Jack picking a blue sock is 4/14 (28.6%)
The probability of Jack picking a red sock is 3/14 (21.4%)
The probability of Jack picking a white sock is 2/14 (14.3%)
The probability of Jack picking a yellow sock is 1/14 (7.1%)
Therefore, the probability of Jack picking a yellow or white sock is 0.6 (60%)