Solve the problem. A manufacturer of processing chips knows that two percent of its chips are defective in some way. Suppose an inspector randomly selects four chips for an inspection. (a) Find the probability that a randomly selected chip is NOT defective. (b) Find the probability that all four chips are NOT defective. (c) Find the probability that at least one of the selected chips is defective. (Round your answer to three decimal places).

6. The admission to a local fair is \( \$ 10.00 \) for each adult and \( \$ 6.00 \) child. Each ride costs \( \$ 1.50 \) for an adult and \( \$ 1.00 \) for a child.

Your class project involves recycling aluminum cans. After \( x \) weeks, your class has \( (13 x+50) \) aluminum cans. The class goal is to collect \( (80 x+120) \) aluminum cans. How many more aluminum cans does your class need to collect?

b) \( x^{2}+e s=22 \)

MATHEMATICS FOR MARKETERS B CMS05B Given that \( P=\{a, b, c, d, e, f\} \) and \( Q=\{2,4, b, d, f\} \), find the number of proper subsets are in the set \( P \cap Q \) ?

\( (1-a).(a+1) \)