On a Saturday afternoon, 147 customers are observed during check-out and the number paying by card, credit

Question:

On a Saturday afternoon, 147 customers are observed during check-out and the number paying by card, credit or debit, is recorded. Records from the store suggest that 43% of customers pay by card. Approximate the probability that:
(a) More than 60 will pay by card.
(b) Between 60 and 70, inclusive, will pay by card.