5 and 6 please asap

Question 5 (1 point) Suppose x is a normal random variable with = 5 and o=2. What is the probability that x is at least -0.26 and at most 1.72? Please choose the best answer. a) 0.0691 O b) 0.0822 O c) 0.0946 O d) 0.0462 O e) 0.0575 MacBook AirQuestion 6 (1 point) Suppose x is a binomial random variable with n = 80 and p=0.2. What is the standard deviation o? Please choose the best answer. O a) 4.90 O b) 2.5 O c) 2.51 O d) 3.58 O e ) 6.20 MacBook Air