27) __ _ watching TV, and 24% are entertained by both books and TV. What is the probability that a person will be entertained by either books or TV?
A) 0.76 B) 0.40 q 1 D) 0.24 E) 0.52
28) Of the coffee makers sold in an appliance store, 6.0% have either a faulty switch or a defective cord,
28) __ _ 1.0% have a faulty switch, and 0.8% have both defects. What percent of the coffee makers will have a defective cord?
A) 5.8% B) 6.8% q 5% D) 6.0% E) 1.8%
29) A survey of senior citizens at a doctor's office shows that 41% take blood pressure-lowering
29) __ _ medication, 47% take cholesterol-lowering medication, and 12% take both medications. What is the probability that a senior citizen takes either blood pressure-lowering or cholesterol-lowering medication?
A)O B) 0.76 Q0.88 D) 0.6 E) 1 30) For a person selected randomly from a certain population, events A and B are defined as follows.
30) __ _ A = event the person is male B = event the person is a smoker P(A) =0.47 P(B) =0.28 P(A and B)= 0.15 Find P(A or B). Round approximations to two decimal places. A) 0.60 B) 0.45 q 0.90 D) 0.46 E) 0.75
Attachment:- 545106_1_staistic.pdf