If a single fair die is rolled, find the probability of a 5 given that the numbe

Question

If a single fair die is rolled, find the probability of a 5 given that the number rolled is odd. A) 1/3 B) 2/3 C) 1/2 D) 1/6 Of the coffee makers sold in an appliance store, 4.0% have either a faulty switch or a defective cord, 2.6% have a faulty switch, and 0.6% have both defects. What is the probability that a coffee maker will have a defective cord? Express the answer as a percentage. A) 2% B) 4.6% C) 3.2% D) 4.0% A survey of senior citizens at a doctor's office shows that 49% take blood pressure-lowering medication, 42% take cholesterol-lowering medication, and 9% take both medications. What is the probability that a senior citizen takes either blood pressure-lowering or cholesterol-lowering medications? Express the answer as a percentage A) 16% B) 0% C) 82% D)100%

Explanation / Answer

13) Solution :

There are 6 numbers on the die : 1, 2, 3, 4, 5, 6 .

Three of these numbers are odd : 1, 3 , 5 .

It is given that the die has rolled of an odd number .

P (5 | odd) = ( number of 5s) / ( number of odd) = 1/3

Option A) is correct .

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