Asurvey showed that 81% of adults need correction (eye glasses, contacts, surgery, etc.) for their eyesight. if 12 adults are randomly selected, find the probability that at least 11 of them need correction for their eyesight. is 11 a significantly high number of adults requiring eyesight correction?

Grace is a 70-year old woman who paid the utility bill online for the first time. she called her bank's customer service center to make sure she had done the transaction successfully. but the voice recording repeatedly played a message that all representatives were busy, which irked grace. which factor would make grace not recommend the bank to others? a. absence of technology b. lack of accessibility c. lack of financial products d. poor reputation