SHOW ALL WORK NO CREDIT WILL BE GIVEN FOR ANY PROBLEM FOR WHICH NO WORK I5 SHOWNEVEN IF THE ANSWER I5 CORRECT 5. A continuous rw. X can assume any value (with equal likelihood) over the interval from 70 to 120. a. Draw the density curve that describes the distribution of this r.v. and calculate f(X). b. Find P(86.4 225) Ans 6b c. What allows us to use the standard normal distribution to approximate binomial probabilities when n is large? Ans 6c