In a town, the area of houses (in m²) are assumed to be normal with mean of 100 m2 and a standard deviation of 20 m2. (Write your answer in 4 decimal places as needed) 1. Find the probability that the area of a randomly selected house is less than 90 m2 or more than 150 m?. Answer: 2. Find the probability that the area of a randomly 10µ selected house is less than Answer:
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.
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