Your expectation regarding the stock market are as follows:

$\backslash$table$[[$State of economy,Probability of state of economy,Rate of return$],[$Boom$,35\%,27\%],[$Normal$,50\%,11\%],[$Recession$,15\%,-5\%]]$

Calculate the expected return and variance and standard deviation of returns on the stock market. Take a look at image