diff --git a/03-Probability.Rmd b/03-Probability.Rmd
index ad69977..e5f223f 100644
--- a/03-Probability.Rmd
+++ b/03-Probability.Rmd
@@ -681,7 +681,7 @@ red die is showing 2 and the white die is showing 4.
 10. Calculate each of the following conditional probabilities:
     a. $\Pr(\textrm{Yo wins} | \textrm{Boxcars wins})$
     b. $\Pr(\textrm{Yo wins} | \textrm{Field wins})$
-    c. $\Pr(\textrm{Yo wins} \cap \textrm{Boxcars loses})$
+    c. $\Pr(\textrm{Yo wins} | \textrm{Boxcars loses})$
     d. $\Pr(\textrm{Field wins} | \textrm{Yo wins})$
     e. $\Pr(\textrm{Boxcars wins} | \textrm{Yo wins})$
 11. Which of the following pairs of events are independent?
@@ -724,7 +724,6 @@ red die is showing 2 and the white die is showing 4.
     a. $\Pr(A) \leq \Pr(B)$
     b. $\Pr(A \cap B) = \Pr(A)$
     c. $\Pr(A | B) = 1$
-    Statements (a), (b) and (c) are true.
 16. Let $A$ and $B$ be two independent events.  Which of the following
     statements are true?
     a. $\Pr(A \cap B) = 0$.
diff --git a/packages.bib b/packages.bib
index 1353693..030b525 100644
--- a/packages.bib
+++ b/packages.bib
@@ -27,7 +27,7 @@ @Manual{R-rmarkdown
   title = {rmarkdown: Dynamic Documents for R},
   author = {JJ Allaire and Yihui Xie and Jonathan McPherson and Javier Luraschi and Kevin Ushey and Aron Atkins and Hadley Wickham and Joe Cheng and Winston Chang and Richard Iannone},
   year = {2021},
-  note = {R package version 2.10},
+  note = {R package version 2.11},
   url = {https://CRAN.R-project.org/package=rmarkdown},
 }