(c) Suppose n = 60 and p = 0.21. (For each answer, enter a number. Use 2 decimal places.) n. p = n-q = Can we approximate p by a normal distribution? Why? (Fill in the blank. There are four answer blanks. A blank is represented by be approximated by a normal random variable because first blank O Yes O No second blank O can O cannot third blank O n.p and n.q do not exceed O both nip and n-q exceed O n.p exceeds O n-q exceeds O n q does not exceed O n-p does not exceed fourth blank (Enter an exact number.) What are the values of u and a ? (For each answer, enter a number. Use 3 decimal places.)