Dotbomb’s stock has the following projected rates of return (outcomes): 10%, 15%, and 30%. The probabilities of their outcomes are 15%, 50%, and 35% respectively. a. What are the expected return and...

Dotbomb’s stock has the following projected rates of return (outcomes): 10%, 15%,
and 30%. The probabilities of their outcomes are 15%, 50%, and 35% respectively. a.
What are the expected return and standard deviation of Dotbomb’s stock?
b. What is the probability that Dotbomb stock will earn a return no more than 15%?
c. What is the probability that Dotbomb stock will earn a return less than 15%