Is a pulse of 130 normal for 3 month old infant?

No, a pulse of 130 beats per minute (bpm) is above the normal range for a 3-month-old infant. The normal pulse range for infants aged 1 to 12 months is 100 - 160 bpm. If your infant's pulse is consistently above 130 bpm, it is important to consult a healthcare professional for evaluation.