Question: Coding in R. In order to run these the crabs data from the pacakge glmbb is needed. I know how to install that package and

Coding in R. In order to run these the "crabs" data from the pacakge "glmbb" is needed. I know how to install that package and bring up the data by using library(glmbb) and then data(crabs). There are 173 crabs in the data set.

(a) Calculate a 90% confidence interval (CI) for mu, the population mean width. Round all quantities from R to two decimal places.

(b) Now what if our sample contained n=10 crabs instead of 173. If we wish to compute a 90% CI for mu, what would be the value of our critical value, or confidence coefficient?

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