Too much cholesterol in the blood increases the risk of heart disease. The cholesterol levels of young women aged 20 to 34 years vary approximately Normally, with a mean of 185 milligrams per deciliter (mg/dl) and a standard deviation of 39 mg/dl. Cholesterol levels for middle-aged men vary Normally, with a mean of 222 mg/dl and a standard deviation of 37 mg/dl. Sandy is a young woman with a cholesterol level of 220. Her father has a cholesterol level of 250. Who has relatively higher cholesterol? Sandy Sandy's father O It is impossible to tell because of the scaling.
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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