You are interested in knowing the proportion of people that areobserving the CDC guidelines for social distancing during theCOVID-19 pandemic. You survey 100 randomly selected people and findthat 80 have followed the guidelines.
Construct a 95% confidence interval around the unknown trueproportion of people following the guidelines. CALCULATE THE UPPERLIMIT in this question. Use 4 digits of precision
Use the R code below to help you.
> qnorm(0.90)
[1] 1.282
> qnorm(0.95)
[1] 1.645
> qnorm(0.975)
[1] 1.960
> qnorm(0.99)
[1] 2.326
> pnorm(0.90)
[1] 0.8159
> pnorm(0.95)
[1] 0.8289
> pnorm(0.975)
[1] 0.8352
> pnorm(0.99)
[1] 0.8389
