Historically, a wealth management firm has a 20% conversion…

Histоricаlly, а weаlth management firm has a 20% cоnversiоn rate of turning potential customers into actual customers. During a particular week, the firm targeted 15 potential customers in the hope of converting them into actual customers. We need to find the probability that between four and 10 (both inclusive) out of the 15 potential customers targeted become "actual customers" for the firm. What is the correct Excel formula (among the ones listed below) that will help us find the answer?