8. You are thinking about buying a motel located on Interstate 64. Before you make up your mind, you want to estimate the average number of vehicles that go by the motel cach day in the summer. Fortunately, the highway department has been counting vehicles on I-64 near the motel. A random sample of 36 summer days shows an average of x= 16,000 cars per day with s = 2400 cars. Find a 90% confidence interval for the mean number of cars per summer day going past the motel. Interpret your results in context.

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.

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 …

The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.

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 experime…