Please enter the matlab code for the following questions

5. If a population has mean of 0 and standard deviation of 1 and it has normal distribution, then the probability that has a randomly chosen value is between 0.1 and 0.9 is given by 12J0.1 e 6. Declare the function handle f(x) and evaluate following: a) f(4.1) b f(4.I) 7. Declare the symbolic function g(x,y) and evaluate the following: c) integrate ffx), x from 0.1 to 4.1 g( x,y) = cos(x) sin (y2) a) 82.1,3.5) b ( at (2.1,3.5) ) 5 g(x,y) dx dy