Changed some text answers

Author: kbathina

notebooks/Chapter10.ipynb

@@ -810,8 +810,6 @@
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    "source": [
-    "FIX FIX FIX - doesnt answer question, need to convert answer to account for 70-30 odds\n",
-    "\n",
     "C. Use the script to reproduce the previous exercise. That is, change the data to z = 7 heads in N = 10, and run the script once with $\\kappa$ = 6 and once with $\\kappa$ = 202. Do the MCMC results match the analytical results?\n",
     "\n",
     "Answer: With such a strong concentration, the steps in the chain generation was not changing models. To fix this, I changed $\\kappa$ to 50 and changed the model odds to 70-30. "