1. A laboratory has developed a new vaccine against influenza and claims that more than 70% of those vaccinated are protected against the disease. A random sample of 130 vaccinated individuals...

1. A laboratory has developed a new vaccine against influenza and claims that more than 70% of those vaccinated are protected against the disease. A random sample of 130 vaccinated individuals reported that 85 were protected. Could it be concluded with a significance level of 0.01 that less than 70% are protected?.