A university cafeteria surveyed the students who ate breakfast there for their coffee preferences. The findings are summarized as follows: Do not Prefer drink regular decaffeinated coffee coffee Prefer coffee Total Female 21 141 61 223 Male 18 196 48 262 Total 39 337 109 485 A student is selected at random from this group. Find the probability of the following. (Round your answers to four decimal places.) (a) The student does not drink coffee. (b) The student is male. (c) The student is a female who prefers regular coffee. (d) The student prefers decaffeinated coffee, given that the student being selected from the male students. (e) The student is male, given that the student prefers decaffeinated coffee.
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.
Solution:
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16.
The given table of data is
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