2 points) A pharmaceutical company is testing a vaccine against a virus which is known to be a leading cause of a long-t
Posted: Wed May 11, 2022 3:31 pm
2 points)
A pharmaceutical company is testing a vaccine against a virus which
is known to be a leading cause of a long-term chronic condition.
The company conducted four placebo controlled double blind clinical
studies of adults ages 16 to 60 to see the effects of the vaccine
on the number of reported individuals who were infected with the
virus, as well as the number of cases of the chronic condition over
a period of two years. The results were
(a): Give a 80% confidence interval for the differences in the
proportion of people who are infected with the virus, with and
without the vaccine.
Lower confidence level:
Upper confidence level:
(b): Give a 80% confidence interval for the differences in the
proportion of people who develop the chronic condition with and
without the vaccine.
Lower confidence level:
Upper confidence level:
A pharmaceutical company is testing a vaccine against a virus which
is known to be a leading cause of a long-term chronic condition.
The company conducted four placebo controlled double blind clinical
studies of adults ages 16 to 60 to see the effects of the vaccine
on the number of reported individuals who were infected with the
virus, as well as the number of cases of the chronic condition over
a period of two years. The results were
(a): Give a 80% confidence interval for the differences in the
proportion of people who are infected with the virus, with and
without the vaccine.
Lower confidence level:
Upper confidence level:
(b): Give a 80% confidence interval for the differences in the
proportion of people who develop the chronic condition with and
without the vaccine.
Lower confidence level:
Upper confidence level: