You are planning to take three exams. According to the records, the failure rates for the exams A, B, and C are 10%, 20%, and 30%, respectively. Assume that the passing rates for all exams are independent events: What is the probability that you will pass only one exam? What is the probability that you will pass at least one exam? Given that you have passed at least one of the exams, what is the probability that you have passed only one exam?
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
You are planning to take three exams. According to the records, the failure rates for the exams A, B, and C are 10%, 20%, and 30%, respectively. Assume that the passing rates for all exams are independent
- What is the
probability that you will pass only one exam? - What is the probability that you will pass at least one exam?
- Given that you have passed at least one of the exams, what is the probability that you have passed only one exam?
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