Suppose 64% of people watch the news, 78% of people watch si…

Suppose 64% of people watch the news, 78% of people watch sitcoms, and 55% watch both.  Answer the following questions.  Leave answers as a fraction or round to 4 decimal places as necessary. a) What is the probability that a randomly selected person watches the news or sitcoms?  [a] b) Given that a randomly selected person watches the news, what is the probability they also watch sitcoms? [b] c) Is watching the news and watching sitcoms mutually disjoint?  [c]        On your scratch, explain why.

Answer the following questions related to the probability de…

Answer the following questions related to the probability density curve of a continuous random variable shown below.  Leave answers as a fraction or round to 4 decimals, as necessary.   a) the entire are under the curve must be equal to [a].  b) Find the probability that x is less than 9.  [b] c) Find the probability that x is between 4 and 8.  [c]