Can Somone help explain this to me, don't need the answers just a bit of guidance, I'm kind of lost on this one.
A consumer advocate claims that 80 percent of cable television subscribers are not satisfied with their cable service. In an attempt to justify this claim, a random sample of 20 subscribers is taken.
6. The probability of 15 or fewer are not satisfied with the service. 7. The probability that exactly 14 consumers are not satisfied. 8. The probability of at least 13 consumers are not satisfied. 9. The expected number of consumers to not be satisfied. 10. The standard deviation.