ppose you are a sales analyst at a large company. You want to conduct a survey at will gather information on the income of your consumers. Suppose that you ow that the population has an average of $64,060.78 with a standard deviation of ,648.56 for income. If you wanted to design a survey such that the standard viation of the sample mean would not exceed $800, what would be the smallest mple size to achieve this? Round your sample size up to the nearest customer. O You would need to sample 74 customers for your survey. O You would need to sample 92 customers for your survey. O You would need to sample 10 customers for your survey. O You would need to sample 85 customers for your survey. O You would need to sample 66 customers for your survey.

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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.